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authorAlex Elder <elder@dreamhost.com>2012-11-01 08:39:27 -0500
committerAlex Elder <elder@inktank.com>2013-01-17 14:09:00 -0600
commit4caf35f9ecdca1feef1d2e5e223b78e52ffbea87 (patch)
treeae709588c296a65d394489d14fb3635ce2fceea0 /drivers/block/rbd.c
parent979ed480a2722ad8d9f87054635158f652a1241e (diff)
downloadlwn-4caf35f9ecdca1feef1d2e5e223b78e52ffbea87.tar.gz
lwn-4caf35f9ecdca1feef1d2e5e223b78e52ffbea87.zip
rbd: use kmemdup()
This replaces two kmalloc()/memcpy() combinations with a single call to kmemdup(). Signed-off-by: Alex Elder <elder@inktank.com> Reviewed-by: David Zafman <david.zafman@inktank.com> Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to 'drivers/block/rbd.c')
-rw-r--r--drivers/block/rbd.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index e01dbb12ad03..d97611e2b4ee 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -3151,11 +3151,9 @@ static inline char *dup_token(const char **buf, size_t *lenp)
size_t len;
len = next_token(buf);
- dup = kmalloc(len + 1, GFP_KERNEL);
+ dup = kmemdup(*buf, len + 1, GFP_KERNEL);
if (!dup)
return NULL;
-
- memcpy(dup, *buf, len);
*(dup + len) = '\0';
*buf += len;
@@ -3264,10 +3262,9 @@ static int rbd_add_parse_args(const char *buf,
ret = -ENAMETOOLONG;
goto out_err;
}
- spec->snap_name = kmalloc(len + 1, GFP_KERNEL);
+ spec->snap_name = kmemdup(buf, len + 1, GFP_KERNEL);
if (!spec->snap_name)
goto out_mem;
- memcpy(spec->snap_name, buf, len);
*(spec->snap_name + len) = '\0';
/* Initialize all rbd options to the defaults */