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reiserfs: fix "new_insert_key may be used uninitialized ..."

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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>
This commit is contained in:
Jeff Mahoney 2016-08-02 14:05:33 -07:00 committed by Linus Torvalds
parent e63e88bc53
commit 0a11b9aae4
1 changed files with 2 additions and 1 deletions
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3
fs/reiserfs/ibalance.c
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@ -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;
}