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| author | Chuck Lever <chuck.lever@oracle.com> | 2007-10-26 13:32:40 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-01-30 02:05:46 -0500 |
| commit | 6a0ed1de8ecee0cde21ea667891a03f6c84ecd66 (patch) | |
| tree | 898a769a98459e55d1ccd957c09d8cc3f0311833 /fs/nfs/super.c | |
| parent | e887cbcf911b2d16742832b38411559273ce5d77 (diff) | |
| download | lwn-6a0ed1de8ecee0cde21ea667891a03f6c84ecd66.tar.gz lwn-6a0ed1de8ecee0cde21ea667891a03f6c84ecd66.zip | |
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.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 330c3922739f..a3492d6f8f9b 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; |