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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2009-09-21 12:09:22 +0300
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2009-09-21 12:09:22 +0300
commit7cce2f4cb7f5f641f78c8e3eea4e7b1b96cb71c0 (patch)
treeb064d077928cf224660ab1e1841cdab2c9fd8b08 /fs/cifs/cifs_dfs_ref.c
parente055f7e873d900925c222cf2d1ec955af4a9ca90 (diff)
parentebc79c4f8da0f92efa968e0328f32334a2ce80cf (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into linux-next
Conflicts: fs/ubifs/super.c Merge the upstream tree in order to resolve a conflict with the per-bdi writeback changes from the linux-2.6-block tree.
Diffstat (limited to 'fs/cifs/cifs_dfs_ref.c')
-rw-r--r--fs/cifs/cifs_dfs_ref.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 3bb11be8b6a..606912d8f2a 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -55,7 +55,7 @@ void cifs_dfs_release_automount_timer(void)
* i.e. strips from UNC trailing path that is not part of share
* name and fixup missing '\' in the begining of DFS node refferal
* if neccessary.
- * Returns pointer to share name on success or NULL on error.
+ * Returns pointer to share name on success or ERR_PTR on error.
* Caller is responsible for freeing returned string.
*/
static char *cifs_get_share_name(const char *node_name)
@@ -68,7 +68,7 @@ static char *cifs_get_share_name(const char *node_name)
UNC = kmalloc(len+2 /*for term null and additional \ if it's missed */,
GFP_KERNEL);
if (!UNC)
- return NULL;
+ return ERR_PTR(-ENOMEM);
/* get share name and server name */
if (node_name[1] != '\\') {
@@ -87,7 +87,7 @@ static char *cifs_get_share_name(const char *node_name)
cERROR(1, ("%s: no server name end in node name: %s",
__func__, node_name));
kfree(UNC);
- return NULL;
+ return ERR_PTR(-EINVAL);
}
/* find sharename end */
@@ -133,6 +133,12 @@ char *cifs_compose_mount_options(const char *sb_mountdata,
return ERR_PTR(-EINVAL);
*devname = cifs_get_share_name(ref->node_name);
+ if (IS_ERR(*devname)) {
+ rc = PTR_ERR(*devname);
+ *devname = NULL;
+ goto compose_mount_options_err;
+ }
+
rc = dns_resolve_server_name_to_ip(*devname, &srvIP);
if (rc != 0) {
cERROR(1, ("%s: Failed to resolve server part of %s to IP: %d",