[PATCH 1/1] x86/mm: Refine mmap syscall implementation

[Adrian Huang]

From: Adrian Huang <ahuan...@lenovo.com>

It is unnecessary to use the local variable 'error' in the mmap
syscall implementation function, so use the return statement
instead of it.

Signed-off-by: Adrian Huang <ahuan...@lenovo.com>
---
 arch/x86/kernel/sys_x86_64.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c
index 504fa5425bce..660b78827638 100644
--- a/arch/x86/kernel/sys_x86_64.c
+++ b/arch/x86/kernel/sys_x86_64.c
@@ -90,14 +90,10 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, 
len,
                unsigned long, prot, unsigned long, flags,
                unsigned long, fd, unsigned long, off)
 {
-       long error;
-       error = -EINVAL;
        if (off & ~PAGE_MASK)
-               goto out;
+               return -EINVAL;
 
-       error = ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
-out:
-       return error;
+       return ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
 }
 
 static void find_start_end(unsigned long addr, unsigned long flags,
-- 
2.17.1