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| author | Ilya Dryomov <idryomov@gmail.com> | 2017-01-25 18:16:21 +0100 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2017-02-20 12:16:11 +0100 |
| commit | 848d796c8c918e2d60060992786f82754f539cd4 (patch) | |
| tree | ae489d58e6a2a2d09313c4da51b1842dca787d6b /drivers/block/rbd.c | |
| parent | 083a51fbc57ca848ab087692f3cc97898fd88b54 (diff) | |
| download | linux-stable-848d796c8c918e2d60060992786f82754f539cd4.tar.gz linux-stable-848d796c8c918e2d60060992786f82754f539cd4.tar.bz2 linux-stable-848d796c8c918e2d60060992786f82754f539cd4.zip | |
rbd: use kstrndup() in rbd_header_from_disk()
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
Diffstat (limited to 'drivers/block/rbd.c')
| -rw-r--r-- | drivers/block/rbd.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 36d2b9f4e836..c3251f9123c0 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 */ |