tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 815fb87b753055df2d9e50f6cd80eb10235fe3e9 commit: 7322dd755e7dd34bc5359aa27abeed1687e0f628 byteswap: try to avoid __builtin_constant_p gcc bug date: 8 years ago config: x86_64-randconfig-123-20231101 (https://download.01.org/0day-ci/archive/20231202/202312021813.Xs1iEQjX-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231202/202312021813.Xs1iEQjX-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202312021813.Xs1iEQjX-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) drivers/mtd/ubi/fastmap.c:620:23: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long max_sqnum @@ got restricted __be64 [usertype] sqnum @@ drivers/mtd/ubi/fastmap.c:620:23: sparse: expected unsigned long long max_sqnum drivers/mtd/ubi/fastmap.c:620:23: sparse: got restricted __be64 [usertype] sqnum >> drivers/mtd/ubi/fastmap.c:1014:17: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be32 [usertype] tmp_crc @@ got unsigned int [usertype] @@ drivers/mtd/ubi/fastmap.c:1014:17: sparse: expected restricted __be32 [usertype] tmp_crc drivers/mtd/ubi/fastmap.c:1014:17: sparse: got unsigned int [usertype] drivers/mtd/ubi/fastmap.c:1016:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be32 [usertype] crc @@ got unsigned int @@ drivers/mtd/ubi/fastmap.c:1016:13: sparse: expected restricted __be32 [usertype] crc drivers/mtd/ubi/fastmap.c:1016:13: sparse: got unsigned int drivers/mtd/ubi/fastmap.c:1025:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be64 [usertype] sqnum @@ got unsigned long long [assigned] sqnum @@ drivers/mtd/ubi/fastmap.c:1025:22: sparse: expected restricted __be64 [usertype] sqnum drivers/mtd/ubi/fastmap.c:1025:22: sparse: got unsigned long long [assigned] sqnum In file included from include/linux/kobject.h:21, from include/linux/cdev.h:4, from drivers/mtd/ubi/ubi.h:34, from drivers/mtd/ubi/fastmap.c:18: include/linux/sysfs.h: In function 'sysfs_get_dirent': include/linux/sysfs.h:517:44: warning: pointer targets in passing argument 2 of 'kernfs_find_and_get' differ in signedness [-Wpointer-sign] 517 | return kernfs_find_and_get(parent, name); | ^~~~ | | | const unsigned char * In file included from include/linux/sysfs.h:15, from include/linux/kobject.h:21, from include/linux/cdev.h:4, from drivers/mtd/ubi/ubi.h:34, from drivers/mtd/ubi/fastmap.c:18: include/linux/kernfs.h:437:57: note: expected 'const char *' but argument is of type 'const unsigned char *' 437 | kernfs_find_and_get(struct kernfs_node *kn, const char *name) | ~~~~~~~~~~~~^~~~ drivers/mtd/ubi/fastmap.c: In function 'ubi_attach_fastmap': drivers/mtd/ubi/fastmap.c:806:38: warning: taking address of packed member of 'struct ubi_fm_scan_pool' may result in an unaligned pointer value [-Waddress-of-packed-member] 806 | ret = scan_pool(ubi, ai, fmpl->pebs, pool_size, &max_sqnum, &free); | ~~~~^~~~~~ drivers/mtd/ubi/fastmap.c:810:41: warning: taking address of packed member of 'struct ubi_fm_scan_pool' may result in an unaligned pointer value [-Waddress-of-packed-member] 810 | ret = scan_pool(ubi, ai, fmpl_wl->pebs, wl_pool_size, &max_sqnum, &free); | ~~~~~~~^~~~~~ vim +1014 drivers/mtd/ubi/fastmap.c dbb7d2a88d2a7b Richard Weinberger 2012-09-26 851 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 852 /** dbb7d2a88d2a7b Richard Weinberger 2012-09-26 853 * ubi_scan_fastmap - scan the fastmap. dbb7d2a88d2a7b Richard Weinberger 2012-09-26 854 * @ubi: UBI device object dbb7d2a88d2a7b Richard Weinberger 2012-09-26 855 * @ai: UBI attach info to be filled dbb7d2a88d2a7b Richard Weinberger 2012-09-26 856 * @fm_anchor: The fastmap starts at this PEB dbb7d2a88d2a7b Richard Weinberger 2012-09-26 857 * dbb7d2a88d2a7b Richard Weinberger 2012-09-26 858 * Returns 0 on success, UBI_NO_FASTMAP if no fastmap was found, dbb7d2a88d2a7b Richard Weinberger 2012-09-26 859 * UBI_BAD_FASTMAP if one was found but is not usable. dbb7d2a88d2a7b Richard Weinberger 2012-09-26 860 * < 0 indicates an internal error. dbb7d2a88d2a7b Richard Weinberger 2012-09-26 861 */ dbb7d2a88d2a7b Richard Weinberger 2012-09-26 862 int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai, dbb7d2a88d2a7b Richard Weinberger 2012-09-26 863 int fm_anchor) dbb7d2a88d2a7b Richard Weinberger 2012-09-26 864 { dbb7d2a88d2a7b Richard Weinberger 2012-09-26 865 struct ubi_fm_sb *fmsb, *fmsb2; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 866 struct ubi_vid_hdr *vh; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 867 struct ubi_ec_hdr *ech; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 868 struct ubi_fastmap_layout *fm; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 869 int i, used_blocks, pnum, ret = 0; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 870 size_t fm_size; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 871 __be32 crc, tmp_crc; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 872 unsigned long long sqnum = 0; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 873 111ab0b26fc1bf Richard Weinberger 2014-11-10 874 down_write(&ubi->fm_protect); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 875 memset(ubi->fm_buf, 0, ubi->fm_size); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 876 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 877 fmsb = kmalloc(sizeof(*fmsb), GFP_KERNEL); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 878 if (!fmsb) { dbb7d2a88d2a7b Richard Weinberger 2012-09-26 879 ret = -ENOMEM; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 880 goto out; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 881 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 882 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 883 fm = kzalloc(sizeof(*fm), GFP_KERNEL); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 884 if (!fm) { dbb7d2a88d2a7b Richard Weinberger 2012-09-26 885 ret = -ENOMEM; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 886 kfree(fmsb); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 887 goto out; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 888 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 889 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 890 ret = ubi_io_read(ubi, fmsb, fm_anchor, ubi->leb_start, sizeof(*fmsb)); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 891 if (ret && ret != UBI_IO_BITFLIPS) dbb7d2a88d2a7b Richard Weinberger 2012-09-26 892 goto free_fm_sb; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 893 else if (ret == UBI_IO_BITFLIPS) dbb7d2a88d2a7b Richard Weinberger 2012-09-26 894 fm->to_be_tortured[0] = 1; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 895 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 896 if (be32_to_cpu(fmsb->magic) != UBI_FM_SB_MAGIC) { 326087033108e7 Tanya Brokhman 2014-10-20 897 ubi_err(ubi, "bad super block magic: 0x%x, expected: 0x%x", dbb7d2a88d2a7b Richard Weinberger 2012-09-26 898 be32_to_cpu(fmsb->magic), UBI_FM_SB_MAGIC); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 899 ret = UBI_BAD_FASTMAP; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 900 goto free_fm_sb; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 901 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 902 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 903 if (fmsb->version != UBI_FM_FMT_VERSION) { 326087033108e7 Tanya Brokhman 2014-10-20 904 ubi_err(ubi, "bad fastmap version: %i, expected: %i", dbb7d2a88d2a7b Richard Weinberger 2012-09-26 905 fmsb->version, UBI_FM_FMT_VERSION); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 906 ret = UBI_BAD_FASTMAP; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 907 goto free_fm_sb; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 908 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 909 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 910 used_blocks = be32_to_cpu(fmsb->used_blocks); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 911 if (used_blocks > UBI_FM_MAX_BLOCKS || used_blocks < 1) { 326087033108e7 Tanya Brokhman 2014-10-20 912 ubi_err(ubi, "number of fastmap blocks is invalid: %i", 326087033108e7 Tanya Brokhman 2014-10-20 913 used_blocks); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 914 ret = UBI_BAD_FASTMAP; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 915 goto free_fm_sb; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 916 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 917 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 918 fm_size = ubi->leb_size * used_blocks; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 919 if (fm_size != ubi->fm_size) { 326087033108e7 Tanya Brokhman 2014-10-20 920 ubi_err(ubi, "bad fastmap size: %zi, expected: %zi", 326087033108e7 Tanya Brokhman 2014-10-20 921 fm_size, ubi->fm_size); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 922 ret = UBI_BAD_FASTMAP; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 923 goto free_fm_sb; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 924 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 925 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 926 ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 927 if (!ech) { dbb7d2a88d2a7b Richard Weinberger 2012-09-26 928 ret = -ENOMEM; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 929 goto free_fm_sb; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 930 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 931 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 932 vh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 933 if (!vh) { dbb7d2a88d2a7b Richard Weinberger 2012-09-26 934 ret = -ENOMEM; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 935 goto free_hdr; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 936 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 937 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 938 for (i = 0; i < used_blocks; i++) { c22301ad4fa0f4 Richard Genoud 2013-09-28 939 int image_seq; c22301ad4fa0f4 Richard Genoud 2013-09-28 940 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 941 pnum = be32_to_cpu(fmsb->block_loc[i]); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 942 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 943 if (ubi_io_is_bad(ubi, pnum)) { dbb7d2a88d2a7b Richard Weinberger 2012-09-26 944 ret = UBI_BAD_FASTMAP; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 945 goto free_hdr; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 946 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 947 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 948 ret = ubi_io_read_ec_hdr(ubi, pnum, ech, 0); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 949 if (ret && ret != UBI_IO_BITFLIPS) { 326087033108e7 Tanya Brokhman 2014-10-20 950 ubi_err(ubi, "unable to read fastmap block# %i EC (PEB: %i)", dbb7d2a88d2a7b Richard Weinberger 2012-09-26 951 i, pnum); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 952 if (ret > 0) dbb7d2a88d2a7b Richard Weinberger 2012-09-26 953 ret = UBI_BAD_FASTMAP; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 954 goto free_hdr; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 955 } else if (ret == UBI_IO_BITFLIPS) dbb7d2a88d2a7b Richard Weinberger 2012-09-26 956 fm->to_be_tortured[i] = 1; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 957 c22301ad4fa0f4 Richard Genoud 2013-09-28 958 image_seq = be32_to_cpu(ech->image_seq); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 959 if (!ubi->image_seq) c22301ad4fa0f4 Richard Genoud 2013-09-28 960 ubi->image_seq = image_seq; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 961 c22301ad4fa0f4 Richard Genoud 2013-09-28 962 /* c22301ad4fa0f4 Richard Genoud 2013-09-28 963 * Older UBI implementations have image_seq set to zero, so c22301ad4fa0f4 Richard Genoud 2013-09-28 964 * we shouldn't fail if image_seq == 0. c22301ad4fa0f4 Richard Genoud 2013-09-28 965 */ c22301ad4fa0f4 Richard Genoud 2013-09-28 966 if (image_seq && (image_seq != ubi->image_seq)) { 326087033108e7 Tanya Brokhman 2014-10-20 967 ubi_err(ubi, "wrong image seq:%d instead of %d", c22301ad4fa0f4 Richard Genoud 2013-09-28 968 be32_to_cpu(ech->image_seq), ubi->image_seq); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 969 ret = UBI_BAD_FASTMAP; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 970 goto free_hdr; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 971 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 972 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 973 ret = ubi_io_read_vid_hdr(ubi, pnum, vh, 0); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 974 if (ret && ret != UBI_IO_BITFLIPS) { 326087033108e7 Tanya Brokhman 2014-10-20 975 ubi_err(ubi, "unable to read fastmap block# %i (PEB: %i)", dbb7d2a88d2a7b Richard Weinberger 2012-09-26 976 i, pnum); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 977 goto free_hdr; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 978 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 979 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 980 if (i == 0) { dbb7d2a88d2a7b Richard Weinberger 2012-09-26 981 if (be32_to_cpu(vh->vol_id) != UBI_FM_SB_VOLUME_ID) { 326087033108e7 Tanya Brokhman 2014-10-20 982 ubi_err(ubi, "bad fastmap anchor vol_id: 0x%x, expected: 0x%x", dbb7d2a88d2a7b Richard Weinberger 2012-09-26 983 be32_to_cpu(vh->vol_id), dbb7d2a88d2a7b Richard Weinberger 2012-09-26 984 UBI_FM_SB_VOLUME_ID); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 985 ret = UBI_BAD_FASTMAP; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 986 goto free_hdr; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 987 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 988 } else { dbb7d2a88d2a7b Richard Weinberger 2012-09-26 989 if (be32_to_cpu(vh->vol_id) != UBI_FM_DATA_VOLUME_ID) { 326087033108e7 Tanya Brokhman 2014-10-20 990 ubi_err(ubi, "bad fastmap data vol_id: 0x%x, expected: 0x%x", dbb7d2a88d2a7b Richard Weinberger 2012-09-26 991 be32_to_cpu(vh->vol_id), dbb7d2a88d2a7b Richard Weinberger 2012-09-26 992 UBI_FM_DATA_VOLUME_ID); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 993 ret = UBI_BAD_FASTMAP; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 994 goto free_hdr; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 995 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 996 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 997 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 998 if (sqnum < be64_to_cpu(vh->sqnum)) dbb7d2a88d2a7b Richard Weinberger 2012-09-26 999 sqnum = be64_to_cpu(vh->sqnum); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1000 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1001 ret = ubi_io_read(ubi, ubi->fm_buf + (ubi->leb_size * i), pnum, dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1002 ubi->leb_start, ubi->leb_size); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1003 if (ret && ret != UBI_IO_BITFLIPS) { 326087033108e7 Tanya Brokhman 2014-10-20 1004 ubi_err(ubi, "unable to read fastmap block# %i (PEB: %i, " dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1005 "err: %i)", i, pnum, ret); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1006 goto free_hdr; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1007 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1008 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1009 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1010 kfree(fmsb); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1011 fmsb = NULL; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1012 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1013 fmsb2 = (struct ubi_fm_sb *)(ubi->fm_buf); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 @1014 tmp_crc = be32_to_cpu(fmsb2->data_crc); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1015 fmsb2->data_crc = 0; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1016 crc = crc32(UBI_CRC32_INIT, ubi->fm_buf, fm_size); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1017 if (crc != tmp_crc) { 326087033108e7 Tanya Brokhman 2014-10-20 1018 ubi_err(ubi, "fastmap data CRC is invalid"); 326087033108e7 Tanya Brokhman 2014-10-20 1019 ubi_err(ubi, "CRC should be: 0x%x, calc: 0x%x", 326087033108e7 Tanya Brokhman 2014-10-20 1020 tmp_crc, crc); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1021 ret = UBI_BAD_FASTMAP; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1022 goto free_hdr; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1023 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1024 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1025 fmsb2->sqnum = sqnum; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1026 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1027 fm->used_blocks = used_blocks; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1028 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1029 ret = ubi_attach_fastmap(ubi, ai, fm); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1030 if (ret) { dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1031 if (ret > 0) dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1032 ret = UBI_BAD_FASTMAP; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1033 goto free_hdr; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1034 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1035 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1036 for (i = 0; i < used_blocks; i++) { dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1037 struct ubi_wl_entry *e; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1038 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1039 e = kmem_cache_alloc(ubi_wl_entry_slab, GFP_KERNEL); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1040 if (!e) { dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1041 while (i--) dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1042 kfree(fm->e[i]); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1043 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1044 ret = -ENOMEM; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1045 goto free_hdr; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1046 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1047 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1048 e->pnum = be32_to_cpu(fmsb2->block_loc[i]); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1049 e->ec = be32_to_cpu(fmsb2->block_ec[i]); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1050 fm->e[i] = e; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1051 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1052 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1053 ubi->fm = fm; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1054 ubi->fm_pool.max_size = ubi->fm->max_pool_size; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1055 ubi->fm_wl_pool.max_size = ubi->fm->max_wl_pool_size; 326087033108e7 Tanya Brokhman 2014-10-20 1056 ubi_msg(ubi, "attached by fastmap"); 326087033108e7 Tanya Brokhman 2014-10-20 1057 ubi_msg(ubi, "fastmap pool size: %d", ubi->fm_pool.max_size); 326087033108e7 Tanya Brokhman 2014-10-20 1058 ubi_msg(ubi, "fastmap WL pool size: %d", 326087033108e7 Tanya Brokhman 2014-10-20 1059 ubi->fm_wl_pool.max_size); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1060 ubi->fm_disabled = 0; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1061 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1062 ubi_free_vid_hdr(ubi, vh); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1063 kfree(ech); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1064 out: 111ab0b26fc1bf Richard Weinberger 2014-11-10 1065 up_write(&ubi->fm_protect); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1066 if (ret == UBI_BAD_FASTMAP) 326087033108e7 Tanya Brokhman 2014-10-20 1067 ubi_err(ubi, "Attach by fastmap failed, doing a full scan!"); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1068 return ret; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1069 dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1070 free_hdr: dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1071 ubi_free_vid_hdr(ubi, vh); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1072 kfree(ech); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1073 free_fm_sb: dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1074 kfree(fmsb); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1075 kfree(fm); dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1076 goto out; dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1077 } dbb7d2a88d2a7b Richard Weinberger 2012-09-26 1078 :::::: The code at line 1014 was first introduced by commit :::::: dbb7d2a88d2a7bd3624e090bee42cdee048d9290 UBI: Add fastmap core :::::: TO: Richard Weinberger <richard@xxxxxx> :::::: CC: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
