Handle possible bio_alloc failure in md. Signed-off-by: Nikanth Karthikesan <knikanth@xxxxxxx> --- Index: linux-2.6/drivers/md/md.c =================================================================== --- linux-2.6.orig/drivers/md/md.c +++ linux-2.6/drivers/md/md.c @@ -532,6 +532,9 @@ void md_super_write(mddev_t *mddev, mdk_ struct bio *bio = bio_alloc(GFP_NOIO, 1); int rw = (1<<BIO_RW) | (1<<BIO_RW_SYNCIO) | (1<<BIO_RW_UNPLUG); + if (unlikely(!bio)) + md_error(rdev->mddev, rdev); + bio->bi_bdev = rdev->bdev; bio->bi_sector = sector; bio_add_page(bio, page, size, 0); @@ -587,6 +590,9 @@ int sync_page_io(struct block_device *bd struct completion event; int ret; + if (unlikely(!bio)) + return 0; + rw |= (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG); bio->bi_bdev = bdev; -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
