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A single small fix for memory deallocation: we allocated memory using 

'kmem_cache_alloc()' but were freeing it using 'kfree()' in some cases.
 Now we fix this by using 'kmem_cache_free()' instead.
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Merge tag 'upstream-3.6-rc5' of git://git.infradead.org/linux-ubi

Pull ubi fix from Artem Bityutskiy:
 "A single small fix for memory deallocation: we allocated memory using
  'kmem_cache_alloc()' but were freeing it using 'kfree()' in some
  cases.  Now we fix this by using 'kmem_cache_free()' instead."

* tag 'upstream-3.6-rc5' of git://git.infradead.org/linux-ubi:
  UBI: fix a horrible memory deallocation bug
This commit is contained in:
Linus Torvalds 2012-09-05 18:37:16 -07:00
parent ed6fe9d614 78b495c39a
commit 50234c58d3
1 changed files with 2 additions and 2 deletions
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4
drivers/mtd/ubi/vtbl.c
View File

@ -340,7 +340,7 @@ retry:
* of this LEB as it will be deleted and freed in 'ubi_add_to_av()'.
*/
err = ubi_add_to_av(ubi, ai, new_aeb->pnum, new_aeb->ec, vid_hdr, 0);
kfree(new_aeb);
kmem_cache_free(ai->aeb_slab_cache, new_aeb);
ubi_free_vid_hdr(ubi, vid_hdr);
return err;
@ -353,7 +353,7 @@ write_error:
list_add(&new_aeb->u.list, &ai->erase);
goto retry;
}
kfree(new_aeb);
kmem_cache_free(ai->aeb_slab_cache, new_aeb);
out_free:
ubi_free_vid_hdr(ubi, vid_hdr);
return err;