The patch titled
Subject: lib/genalloc.c: check result of devres_alloc()
has been added to the -mm tree. Its filename is
genalloc-check-result-of-devres_alloc.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/genalloc-check-result-of-devres_alloc.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/genalloc-check-result-of-devres_alloc.patch
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------------------------------------------------------
From: Jan Kara <jack@xxxxxxx>
Subject: lib/genalloc.c: check result of devres_alloc()
devm_gen_pool_create() calls devres_alloc() and dereferences its result
without checking whether devres_alloc() succeeded. Check for error and
bail out if it happened.
Coverity-id 1016493.
Signed-off-by: Jan Kara <jack@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/genalloc.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN lib/genalloc.c~genalloc-check-result-of-devres_alloc lib/genalloc.c
--- a/lib/genalloc.c~genalloc-check-result-of-devres_alloc
+++ a/lib/genalloc.c
@@ -586,6 +586,8 @@ struct gen_pool *devm_gen_pool_create(st
struct gen_pool **ptr, *pool;
ptr = devres_alloc(devm_gen_pool_release, sizeof(*ptr), GFP_KERNEL);
+ if (!ptr)
+ return NULL;
pool = gen_pool_create(min_alloc_order, nid);
if (pool) {
_
Patches currently in -mm which might be from jack@xxxxxxx are
fanotify-only-destroy-mark-when-both-mask-and-ignored_mask-are-cleared.patch
fanotify-dont-recalculate-a-marks-mask-if-only-the-ignored-mask-changed.patch
fanotify-dont-set-fan_ondir-implicitly-on-a-marks-ignored-mask.patch
fs-ext4-fsyncc-generic_file_fsync-call-based-on-barrier-flag.patch
ocfs2-remove-pointless-assignment-from-ocfs2_calc_refcount_meta_credits.patch
mm-memory-remove-vm_file-check-on-shared-writable-vmas.patch
mm-memory-merge-shared-writable-dirtying-branches-in-do_wp_page.patch
fs-mpagec-forgotten-write_sync-in-case-of-data-integrity-write.patch
genalloc-check-result-of-devres_alloc.patch
fs-affs-filec-fix-direct-io-writes-beyond-eof.patch
fs-affs-superc-destroy-sbi-mutex-in-affs_kill_sb.patch
linux-next.patch
mm-fix-xip-fault-vs-truncate-race.patch
mm-fix-xip-fault-vs-truncate-race-fix.patch
mm-allow-page-fault-handlers-to-perform-the-cow.patch
mm-allow-page-fault-handlers-to-perform-the-cow-fix.patch
vfsext2-introduce-is_daxinode.patch
daxext2-replace-xip-read-and-write-with-dax-i-o.patch
daxext2-replace-ext2_clear_xip_target-with-dax_clear_blocks.patch
daxext2-replace-the-xip-page-fault-handler-with-the-dax-page-fault-handler.patch
daxext2-replace-the-xip-page-fault-handler-with-the-dax-page-fault-handler-fix.patch
daxext2-replace-xip_truncate_page-with-dax_truncate_page.patch
dax-replace-xip-documentation-with-dax-documentation.patch
vfs-remove-get_xip_mem.patch
ext2-remove-ext2_xip_verify_sb.patch
ext2-remove-ext2_use_xip.patch
ext2-remove-xipc-and-xiph.patch
vfsext2-remove-config_ext2_fs_xip-and-rename-config_fs_xip-to-config_fs_dax.patch
ext2-remove-ext2_aops_xip.patch
ext2-get-rid-of-most-mentions-of-xip-in-ext2.patch
dax-add-dax_zero_page_range.patch
dax-add-dax_zero_page_range-fix.patch
ext4-add-dax-functionality.patch
brd-rename-xip-to-dax.patch
mm-add-strictlimit-knob-v2.patch
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