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authorYe Guojin <ye.guojin@zte.com.cn>2021-10-21 09:51:11 +0300
committerMichael S. Tsirkin <mst@redhat.com>2021-11-01 12:26:48 +0300
commitf1aa12f53529ccd67722241792f39248bc89d353 (patch)
tree8b3acb24377fa481f0ebe3f9c311f4560753e864 /drivers/block
parentef5c366fea30f64d52bb1c4c1e2959a5e6b66e88 (diff)
downloadlinux-f1aa12f53529ccd67722241792f39248bc89d353.tar.xz
virtio-blk: fixup coccinelle warnings
coccicheck complains about the use of snprintf() in sysfs show functions: WARNING use scnprintf or sprintf Use sysfs_emit instead of scnprintf or sprintf makes more sense. Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Ye Guojin <ye.guojin@zte.com.cn> Link: https://lore.kernel.org/r/20211021065111.1047824-1-ye.guojin@zte.com.cn Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/virtio_blk.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 20f230bfe5b3..bcb02e4a0809 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -704,7 +704,7 @@ cache_type_show(struct device *dev, struct device_attribute *attr, char *buf)
u8 writeback = virtblk_get_cache_mode(vblk->vdev);
BUG_ON(writeback >= ARRAY_SIZE(virtblk_cache_types));
- return snprintf(buf, 40, "%s\n", virtblk_cache_types[writeback]);
+ return sysfs_emit(buf, "%s\n", virtblk_cache_types[writeback]);
}
static DEVICE_ATTR_RW(cache_type);