From b2bf96833c5782befc3e7700f791fde754a47b01 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Thu, 19 Feb 2009 08:50:26 +0100
Subject: [PATCH] block: fix bogus gcc warning for uninitialized var usage
Newer gcc throw this warning:
fs/bio.c: In function ?bio_alloc_bioset?:
fs/bio.c:305: warning: ?p? may be used uninitialized in this function
since it cannot figure out that 'p' is only ever used if 'bs' is non-NULL.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
fs/bio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/bio.c b/fs/bio.c
index 72ab251cdb9c..124b95c4d582 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -302,7 +302,7 @@ void bio_init(struct bio *bio)
struct bio *bio_alloc_bioset(gfp_t gfp_mask, int nr_iovecs, struct bio_set *bs)
{
struct bio *bio = NULL;
- void *p;
+ void *uninitialized_var(p);
if (bs) {
p = mempool_alloc(bs->bio_pool, gfp_mask);
--
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