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authorChuck Lever <chuck.lever@oracle.com>2007-10-26 13:32:40 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-01-30 02:05:46 -0500
commit6a0ed1de8ecee0cde21ea667891a03f6c84ecd66 (patch)
tree898a769a98459e55d1ccd957c09d8cc3f0311833 /fs/nfs/super.c
parente887cbcf911b2d16742832b38411559273ce5d77 (diff)
NFS: Clean up: copy hostname with kstrndup during mount processing
Clean up: mount option parsing uses kstrndup in several places, rather than using kzalloc. Replace the few remaining uses of kzalloc with kstrndup, for consistency. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/super.c')
-rw-r--r--fs/nfs/super.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 330c3922739..a3492d6f8f9 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1648,21 +1648,16 @@ static int nfs4_validate_mount_data(void *options,
len = c - dev_name;
if (len > NFS4_MAXNAMLEN)
return -ENAMETOOLONG;
- args->nfs_server.hostname = kzalloc(len, GFP_KERNEL);
- if (args->nfs_server.hostname == NULL)
- return -ENOMEM;
- strncpy(args->nfs_server.hostname, dev_name, len - 1);
+ /* N.B. caller will free nfs_server.hostname in all cases */
+ args->nfs_server.hostname = kstrndup(dev_name, len, GFP_KERNEL);
c++; /* step over the ':' */
len = strlen(c);
if (len > NFS4_MAXPATHLEN)
return -ENAMETOOLONG;
- args->nfs_server.export_path = kzalloc(len + 1, GFP_KERNEL);
- if (args->nfs_server.export_path == NULL)
- return -ENOMEM;
- strncpy(args->nfs_server.export_path, c, len);
+ args->nfs_server.export_path = kstrndup(c, len, GFP_KERNEL);
- dprintk("MNTPATH: %s\n", args->nfs_server.export_path);
+ dprintk("NFS: MNTPATH: '%s'\n", args->nfs_server.export_path);
if (args->client_address == NULL)
goto out_no_client_address;