Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx>
---
drivers/block/rbd.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 40a15ae354ce..76e538c3378e 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -992,15 +992,11 @@ static int rbd_header_from_disk(struct rbd_device *rbd_dev,
/* Allocate this now to avoid having to handle failure below */
if (first_time) {
- size_t len;
-
- len = strnlen(ondisk->object_prefix,
- sizeof (ondisk->object_prefix));
- object_prefix = kmalloc(len + 1, GFP_KERNEL);
+ object_prefix = kstrndup(ondisk->object_prefix,
+ sizeof(ondisk->object_prefix),
+ GFP_KERNEL);
if (!object_prefix)
return -ENOMEM;
- memcpy(object_prefix, ondisk->object_prefix, len);
- object_prefix[len] = '\0';
}
/* Allocate the snapshot context and fill it in */
--
2.4.3
--
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