All of lore.kernel.org
 help / color / mirror / Atom feed
* + genalloc-check-result-of-devres_alloc.patch added to -mm tree
@ 2015-01-22 20:04 akpm
  0 siblings, 0 replies; only message in thread
From: akpm @ 2015-01-22 20:04 UTC (permalink / raw)
  To: jack, mm-commits


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

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 ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: Jan Kara <jack@suse.cz>
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@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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@suse.cz 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


^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2015-01-22 20:04 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-01-22 20:04 + genalloc-check-result-of-devres_alloc.patch added to -mm tree akpm

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.