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| author | Jeff Mahoney <jeffm@suse.com> | 2016-08-02 14:05:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-08-02 19:35:22 -0400 |
| commit | 0a11b9aae49adf1f952427ef1a1d9e793dd6ffb6 (patch) | |
| tree | 017bbb0c522d832bdca22637f28a244fc4eea56e /fs/reiserfs | |
| parent | e63e88bc53bac7e4c3f592f8126c51a7569be673 (diff) | |
| download | linux-stable-0a11b9aae49adf1f952427ef1a1d9e793dd6ffb6.tar.gz linux-stable-0a11b9aae49adf1f952427ef1a1d9e793dd6ffb6.tar.bz2 linux-stable-0a11b9aae49adf1f952427ef1a1d9e793dd6ffb6.zip | |
reiserfs: fix "new_insert_key may be used uninitialized ..."
new_insert_key only makes any sense when it's associated with a
new_insert_ptr, which is initialized to NULL and changed to a
buffer_head when we also initialize new_insert_key. We can key off of
that to avoid the uninitialized warning.
Link: http://lkml.kernel.org/r/5eca5ffb-2155-8df2-b4a2-f162f105efed@suse.com
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Jan Kara <jack@suse.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/reiserfs')
| -rw-r--r-- | fs/reiserfs/ibalance.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/reiserfs/ibalance.c b/fs/reiserfs/ibalance.c index b751eea32e20..5db6f45b3fed 100644 --- a/fs/reiserfs/ibalance.c +++ b/fs/reiserfs/ibalance.c @@ -1153,8 +1153,9 @@ int balance_internal(struct tree_balance *tb, insert_ptr); } - memcpy(new_insert_key_addr, &new_insert_key, KEY_SIZE); insert_ptr[0] = new_insert_ptr; + if (new_insert_ptr) + memcpy(new_insert_key_addr, &new_insert_key, KEY_SIZE); return order; } |