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-rw-r--r--fs/cifs/cifsfs.c6
-rw-r--r--fs/cifs/cifssmb.c12
2 files changed, 8 insertions, 10 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 0d6d8b573652..5e6d35804d73 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -35,6 +35,7 @@
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
+#include <linux/smp_lock.h>
#include "cifsfs.h"
#include "cifspdu.h"
#define DECLARE_GLOBALS_HERE
@@ -530,6 +531,7 @@ static void cifs_umount_begin(struct super_block *sb)
if (tcon == NULL)
return;
+ lock_kernel();
read_lock(&cifs_tcp_ses_lock);
if (tcon->tc_count == 1)
tcon->tidStatus = CifsExiting;
@@ -548,6 +550,7 @@ static void cifs_umount_begin(struct super_block *sb)
}
/* BB FIXME - finish add checks for tidStatus BB */
+ unlock_kernel();
return;
}
@@ -599,8 +602,7 @@ cifs_get_sb(struct file_system_type *fs_type,
rc = cifs_read_super(sb, data, dev_name, flags & MS_SILENT ? 1 : 0);
if (rc) {
- up_write(&sb->s_umount);
- deactivate_super(sb);
+ deactivate_locked_super(sb);
return rc;
}
sb->s_flags |= MS_ACTIVE;
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 75e6623a8635..5759ba53dc96 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -3976,9 +3976,8 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
max_len = data_end - temp;
node->path_name = cifs_strndup_from_ucs(temp, max_len,
is_unicode, nls_codepage);
- if (IS_ERR(node->path_name)) {
- rc = PTR_ERR(node->path_name);
- node->path_name = NULL;
+ if (!node->path_name) {
+ rc = -ENOMEM;
goto parse_DFS_referrals_exit;
}
@@ -3987,11 +3986,8 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
max_len = data_end - temp;
node->node_name = cifs_strndup_from_ucs(temp, max_len,
is_unicode, nls_codepage);
- if (IS_ERR(node->node_name)) {
- rc = PTR_ERR(node->node_name);
- node->node_name = NULL;
- goto parse_DFS_referrals_exit;
- }
+ if (!node->node_name)
+ rc = -ENOMEM;
}
parse_DFS_referrals_exit:
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