[PATCH] futex: remove duplicate code

This patch cleans up the error path of futex_fd() by removing duplicate
code.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 9 insertions, 12 deletions

diff --git a/kernel/futex.c b/kernel/futex.c
index 07ba87de965..ca05fe6a70b 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -786,23 +786,17 @@ static int futex_fd(unsigned long uaddr, int signal)
         filp->f_mapping = filp->f_dentry->d_inode->i_mapping;
 
         if (signal) {
-                int err;
                 err = f_setown(filp, current->pid, 1);
                 if (err < 0) {
-                        put_unused_fd(ret);
-                        put_filp(filp);
-                        ret = err;
-                        goto out;
+                        goto error;
                 }
                 filp->f_owner.signum = signal;
         }
 
         q = kmalloc(sizeof(*q), GFP_KERNEL);
         if (!q) {
-                put_unused_fd(ret);
-                put_filp(filp);
-                ret = -ENOMEM;
-                goto out;
+                err = -ENOMEM;
+                goto error;
         }
 
         down_read(&current->mm->mmap_sem);
@@ -810,10 +804,8 @@ static int futex_fd(unsigned long uaddr, int signal)
 
         if (unlikely(err != 0)) {
                 up_read(&current->mm->mmap_sem);
-                put_unused_fd(ret);
-                put_filp(filp);
                 kfree(q);
-                return err;
+                goto error;
         }
 
         /*
@@ -829,6 +821,11 @@ static int futex_fd(unsigned long uaddr, int signal)
         fd_install(ret, filp);
 out:
         return ret;
+error:
+        put_unused_fd(ret);
+        put_filp(filp);
+        ret = err;
+        goto out;
 }
 
 long do_futex(unsigned long uaddr, int op, int val, unsigned long timeout,