The patch titled scsi: use non-racy method for proc entries creation has been added to the -mm tree. Its filename is scsi-use-non-racy-method-for-proc-entries-creation.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: scsi: use non-racy method for proc entries creation From: "Denis V. Lunev" <den@xxxxxxxxxx> Use proc_create() to make sure that ->proc_fops be setup before gluing PDE to main tree. Add correct ->owner to proc_fops to fix reading/module unloading race. Signed-off-by: Denis V. Lunev <den@xxxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxx> Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx> Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx> Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/scsi/scsi_proc.c | 4 ++-- drivers/scsi/sg.c | 12 ++++-------- 2 files changed, 6 insertions(+), 10 deletions(-) diff -puN drivers/scsi/scsi_proc.c~scsi-use-non-racy-method-for-proc-entries-creation drivers/scsi/scsi_proc.c --- a/drivers/scsi/scsi_proc.c~scsi-use-non-racy-method-for-proc-entries-creation +++ a/drivers/scsi/scsi_proc.c @@ -408,6 +408,7 @@ static int proc_scsi_open(struct inode * } static const struct file_operations proc_scsi_operations = { + .owner = THIS_MODULE, .open = proc_scsi_open, .read = seq_read, .write = proc_scsi_write, @@ -426,10 +427,9 @@ int __init scsi_init_procfs(void) if (!proc_scsi) goto err1; - pde = create_proc_entry("scsi/scsi", 0, NULL); + pde = proc_create("scsi/scsi", 0, NULL, &proc_scsi_operations); if (!pde) goto err2; - pde->proc_fops = &proc_scsi_operations; return 0; diff -puN drivers/scsi/sg.c~scsi-use-non-racy-method-for-proc-entries-creation drivers/scsi/sg.c --- a/drivers/scsi/sg.c~scsi-use-non-racy-method-for-proc-entries-creation +++ a/drivers/scsi/sg.c @@ -2667,7 +2667,6 @@ sg_proc_init(void) { int k, mask; int num_leaves = ARRAY_SIZE(sg_proc_leaf_arr); - struct proc_dir_entry *pdep; struct sg_proc_leaf * leaf; sg_proc_sgp = proc_mkdir(sg_proc_sg_dirname, NULL); @@ -2676,13 +2675,10 @@ sg_proc_init(void) for (k = 0; k < num_leaves; ++k) { leaf = &sg_proc_leaf_arr[k]; mask = leaf->fops->write ? S_IRUGO | S_IWUSR : S_IRUGO; - pdep = create_proc_entry(leaf->name, mask, sg_proc_sgp); - if (pdep) { - leaf->fops->owner = THIS_MODULE, - leaf->fops->read = seq_read, - leaf->fops->llseek = seq_lseek, - pdep->proc_fops = leaf->fops; - } + leaf->fops->owner = THIS_MODULE; + leaf->fops->read = seq_read; + leaf->fops->llseek = seq_lseek; + proc_create(leaf->name, mask, sg_proc_sgp, leaf->fops); } return 0; } _ Patches currently in -mm which might be from den@xxxxxxxxxx are git-net.patch proc-introduce-proc_create_data-to-setup-de-data.patch nfsd-use-proc_create-to-setup-de-proc_fops.patch nfs-use-proc_create-to-setup-de-proc_fops.patch afs-use-non-racy-method-for-proc-entries-creation.patch ext4-use-non-racy-method-for-proc-entries-creation.patch reiserfs-use-non-racy-method-for-proc-entries-creation.patch jbd2-use-non-racy-method-for-proc-entries-creation.patch sysvipc-use-non-racy-method-for-proc-entries-creation.patch mm-use-non-racy-method-for-proc-swaps-creation.patch sound-use-non-racy-method-for-proc-driver-snd-page-alloc-creation.patch zorro-use-non-racy-method-for-proc-entries-creation.patch samples-use-non-racy-method-for-proc-marker-example-creation.patch scsi-use-non-racy-method-for-proc-entries-creation.patch usb-use-non-racy-method-for-proc-entries-creation.patch s390-use-non-racy-method-for-proc-entries-creation.patch arm-use-non-racy-method-for-proc-davinci_clocks-creation.patch avr32-proc-use-non-racy-method-for-proc-tlb-creation.patch cris-use-non-racy-method-for-proc-system_profile-creation.patch ia64-use-non-racy-method-for-proc-entries-creation.patch parisc-use-non-racy-method-for-proc-pcxl_dma-creation.patch powerpc-use-non-racy-method-for-proc-entries-creation.patch acpi-use-non-racy-method-for-proc-entries-creation.patch netdev-use-non-racy-method-for-proc-entries-creation.patch isdn-use-non-racy-method-for-proc-entries-creation.patch kernel-use-non-racy-method-for-proc-entries-creation.patch parisc-use-non-racy-method-for-proc-entries-creation.patch drivers-use-non-racy-method-for-proc-entries-creation.patch drivers-use-non-racy-method-for-proc-entries-creation-2.patch sysctl-merge-equal-proc_sys_read-and-proc_sys_write.patch sysctl-clean-from-unneeded-extern-and-forward-declarations.patch sysctl-add-the-permissions-callback-on-the-ctl_table_root.patch proc-use-non-racy-method-for-proc-page_owner-creation-page_owner.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html