autofs4: fix coding style problem in autofs4_get_set_timeout()

Refactor autofs4_get_set_timeout() to eliminate coding style error.

Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 20 insertions, 8 deletions

diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index bdeb8838a901..101879ed764c 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -774,12 +774,16 @@ static int autofs4_dir_mkdir(struct inode *dir,
 static inline int autofs4_compat_get_set_timeout(struct autofs_sb_info *sbi,
                                                  compat_ulong_t __user *p)
 {
-        int rv;
         unsigned long ntimeout;
+        int rv;
+
+        rv = get_user(ntimeout, p);
+        if (rv)
+                goto error;
 
-        if ((rv = get_user(ntimeout, p)) ||
-             (rv = put_user(sbi->exp_timeout/HZ, p)))
-                return rv;
+        rv = put_user(sbi->exp_timeout/HZ, p);
+        if (rv)
+                goto error;
 
         if (ntimeout > UINT_MAX/HZ)
                 sbi->exp_timeout = 0;
@@ -787,18 +791,24 @@ static inline int autofs4_compat_get_set_timeout(struct autofs_sb_info *sbi,
                 sbi->exp_timeout = ntimeout * HZ;
 
         return 0;
+error:
+        return rv;
 }
 #endif
 
 static inline int autofs4_get_set_timeout(struct autofs_sb_info *sbi,
                                           unsigned long __user *p)
 {
-        int rv;
         unsigned long ntimeout;
+        int rv;
+
+        rv = get_user(ntimeout, p);
+        if (rv)
+                goto error;
 
-        if ((rv = get_user(ntimeout, p)) ||
-             (rv = put_user(sbi->exp_timeout/HZ, p)))
-                return rv;
+        rv = put_user(sbi->exp_timeout/HZ, p);
+        if (rv)
+                goto error;
 
         if (ntimeout > ULONG_MAX/HZ)
                 sbi->exp_timeout = 0;
@@ -806,6 +816,8 @@ static inline int autofs4_get_set_timeout(struct autofs_sb_info *sbi,
                 sbi->exp_timeout = ntimeout * HZ;
 
         return 0;
+error:
+        return rv;
 }
 
 /* Return protocol version */