Commit a1d8d9a7 authored by Theodore Ts'o's avatar Theodore Ts'o

ext4: add check to io_submit_init_bio

The bio_alloc() function can return NULL if the memory allocation
fails.  So we need to check for this.
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent 5dc23bdd
......@@ -372,6 +372,8 @@ static int io_submit_init_bio(struct ext4_io_submit *io,
struct bio *bio;
bio = bio_alloc(GFP_NOIO, min(nvecs, BIO_MAX_PAGES));
if (!bio)
return -ENOMEM;
bio->bi_sector = bh->b_blocknr * (bh->b_size >> 9);
bio->bi_bdev = bh->b_bdev;
bio->bi_end_io = ext4_end_bio;
......
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