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* + fs-ext4-superc-ext4_register_li_request-fix-use-uninitialised.patch added to -mm tree
@ 2011-01-06 22:57 akpm
  2011-01-07  2:43 ` Ted Ts'o
  0 siblings, 1 reply; 2+ messages in thread
From: akpm @ 2011-01-06 22:57 UTC (permalink / raw)
  To: mm-commits; +Cc: akpm, lczerner, tytso


The patch titled
     fs/ext4/super.c:ext4_register_li_request(): fix use-uninitialised
has been added to the -mm tree.  Its filename is
     fs-ext4-superc-ext4_register_li_request-fix-use-uninitialised.patch

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------------------------------------------------------
Subject: fs/ext4/super.c:ext4_register_li_request(): fix use-uninitialised
From: Andrew Morton <akpm@linux-foundation.org>

fs/ext4/super.c: In function 'ext4_register_li_request':
fs/ext4/super.c:2936: warning: 'ret' may be used uninitialized in this function

It looks buggy to me, too.

Cc: Lukas Czerner <lczerner@redhat.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/ext4/super.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN fs/ext4/super.c~fs-ext4-superc-ext4_register_li_request-fix-use-uninitialised fs/ext4/super.c
--- a/fs/ext4/super.c~fs-ext4-superc-ext4_register_li_request-fix-use-uninitialised
+++ a/fs/ext4/super.c
@@ -2933,7 +2933,7 @@ static int ext4_register_li_request(stru
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	struct ext4_li_request *elr;
 	ext4_group_t ngroups = EXT4_SB(sb)->s_groups_count;
-	int ret;
+	int ret = 0;
 
 	if (sbi->s_li_request != NULL)
 		return 0;
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

linux-next.patch
next-remove-localversion.patch
i-need-old-gcc.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
arch-alpha-include-asm-ioh-s-extern-inline-static-inline.patch
mm-vmap-area-cache.patch
drivers-gpu-drm-radeon-atomc-fix-warning.patch
leds-add-output-inversion-option-to-backlight-trigger-fix.patch
leds-route-kbd-leds-through-the-generic-leds-layer.patch
ext4-dont-use-pr_warning_ratelimited.patch
fs-ext4-superc-ext4_register_li_request-fix-use-uninitialised.patch
atmel_serial-fix-rts-high-after-initialization-in-rs485-mode-fix.patch
drivers-message-fusion-mptsasc-fix-warning.patch
mm.patch
mm-vmstat-use-a-single-setter-function-and-callback-for-adjusting-percpu-thresholds-fix.patch
writeback-check-skipped-pages-on-wb_sync_all-update-fix.patch
writeback-make-nr_to_write-a-per-file-limit-fix.patch
sync_inode_metadata-fix-comment.patch
fs-mpagec-consolidate-code-checkpatch-fixes.patch
mm-vmscan-reclaim-order-0-and-use-compaction-instead-of-lumpy-reclaim-fix.patch
mm-migration-allow-migration-to-operate-asynchronously-and-avoid-synchronous-compaction-in-the-faster-path-fix.patch
mm-deactivate-invalidated-pages-fix.patch
mlock-only-hold-mmap_sem-in-shared-mode-when-faulting-in-pages-fix.patch
mlock-do-not-hold-mmap_sem-for-extended-periods-of-time-fix.patch
mlock-do-not-hold-mmap_sem-for-extended-periods-of-time-fix2.patch
writeback-avoid-unnecessary-determine_dirtyable_memory-call-fix.patch
thp-pte-alloc-trans-splitting-fix-checkpatch-fixes.patch
thp-khugepaged-make-khugepaged-aware-of-madvise-fix.patch
mm-migration-use-rcu_dereference_protected-when-dereferencing-the-radix-tree-slot-during-file-page-migration-fix.patch
mm-hugetlbc-fix-error-path-memory-leak-in-nr_hugepages_store_common-fix.patch
brk-fix-min_brk-lower-bound-computation-for-compat_brk-fix.patch
mm-page_allocc-simplify-calculation-of-combined-index-of-adjacent-buddy-lists-checkpatch-fixes.patch
mm-page_allocc-simplify-calculation-of-combined-index-of-adjacent-buddy-lists-fix.patch
mm-dmapoolc-use-task_uninterruptible-in-dma_pool_alloc.patch
hugetlb-check-the-return-value-of-string-conversion-in-sysctl-handler-fix.patch
hugetlb-do-not-allow-pagesize-=-max_order-pool-adjustment-fix.patch
frv-duplicate-output_buffer-of-e03-checkpatch-fixes.patch
hpet-factor-timer-allocate-from-open.patch
include-linux-kernelh-abs-fix-handling-of-32-bit-unsigneds-on-64-bit.patch
include-linux-kernelh-abs-fix-handling-of-32-bit-unsigneds-on-64-bit-fix.patch
include-linux-unaligned-packed_structh-use-__packed.patch
ihex-fix-unused-return-value-compiler-warning-fix.patch
kptr_restrict-for-hiding-kernel-pointers-from-unprivileged-users.patch
kptr_restrict-for-hiding-kernel-pointers-from-unprivileged-users-fix.patch
kptr_restrict-for-hiding-kernel-pointers-v7-fix.patch
fs-select-fix-information-leak-to-userspace-fix.patch
lib-hexdumpc-make-hex2bin-return-the-updated-src-address.patch
fs-binfmt_miscc-use-kernels-hex_to_bin-method-fix.patch
fs-binfmt_miscc-use-kernels-hex_to_bin-method-fix-fix.patch
gpio-ml_ioh_gpio-ml7213-gpio-driver-fix.patch
drivers-telephony-ixjc-fix-warning.patch
memcg-document-cgroup-dirty-memory-interfaces-fix.patch
fs-proc-basec-kernel-latencytopc-convert-sprintf_symbol-to-%ps-checkpatch-fixes.patch
exec_domain-establish-a-linux32-domain-on-config_compat-systems.patch
sysctl-remove-obsolete-comments-fix.patch
user_ns-improve-the-user_ns-on-the-slab-packaging-fix.patch
pps-add-parallel-port-pps-signal-generator-fix.patch
memstick-factor-out-transfer-initiating-functionality-in-mspro_blockc-fix.patch
aio-remove-unused-aio_run_iocbs-checkpatch-fixes.patch
cramfs-generate-unique-inode-number-for-better-inode-cache-usage-fix.patch
cramfs-generate-unique-inode-number-for-better-inode-cache-usage-checkpatch-fixes.patch
ramoops-fix-types-remove-typecasts.patch
journal_add_journal_head-debug.patch
slab-leaks3-default-y.patch
put_bh-debug.patch
memblock-add-input-size-checking-to-memblock_find_region.patch
memblock-add-input-size-checking-to-memblock_find_region-fix.patch


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: + fs-ext4-superc-ext4_register_li_request-fix-use-uninitialised.patch added to -mm tree
  2011-01-06 22:57 + fs-ext4-superc-ext4_register_li_request-fix-use-uninitialised.patch added to -mm tree akpm
@ 2011-01-07  2:43 ` Ted Ts'o
  0 siblings, 0 replies; 2+ messages in thread
From: Ted Ts'o @ 2011-01-07  2:43 UTC (permalink / raw)
  To: akpm; +Cc: linux-ext4, lczerner

On Thu, Jan 06, 2011 at 02:57:42PM -0800, akpm@linux-foundation.org wrote:
> Subject: fs/ext4/super.c:ext4_register_li_request(): fix use-uninitialised
> From: Andrew Morton <akpm@linux-foundation.org>
> 
> fs/ext4/super.c: In function 'ext4_register_li_request':
> fs/ext4/super.c:2936: warning: 'ret' may be used uninitialized in this function
> 
> It looks buggy to me, too.

Thanks, added to the ext4 tree.

					- Ted

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2011-01-06 22:57 + fs-ext4-superc-ext4_register_li_request-fix-use-uninitialised.patch added to -mm tree akpm
2011-01-07  2:43 ` Ted Ts'o

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