block: fix bogus gcc warning for uninitialized var usage · b2bf96833c - Gogs

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>

Jens Axboe 16 years ago

parent

169d418b12

commit

b2bf96833c

1 changed files with 1 additions and 1 deletions

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							+ 1
							
							- 1
						
fs/bio.c
							 
								View File
							
				@@ -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);