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-rw-r--r--arch/um/kernel/syscall.c28
1 files changed, 2 insertions, 26 deletions
diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c
index a4625c7b2bf9..cccab850c27e 100644
--- a/arch/um/kernel/syscall.c
+++ b/arch/um/kernel/syscall.c
@@ -8,6 +8,7 @@
8#include "linux/mm.h" 8#include "linux/mm.h"
9#include "linux/sched.h" 9#include "linux/sched.h"
10#include "linux/utsname.h" 10#include "linux/utsname.h"
11#include "linux/syscalls.h"
11#include "asm/current.h" 12#include "asm/current.h"
12#include "asm/mman.h" 13#include "asm/mman.h"
13#include "asm/uaccess.h" 14#include "asm/uaccess.h"
@@ -37,31 +38,6 @@ long sys_vfork(void)
37 return ret; 38 return ret;
38} 39}
39 40
40/* common code for old and new mmaps */
41long sys_mmap2(unsigned long addr, unsigned long len,
42 unsigned long prot, unsigned long flags,
43 unsigned long fd, unsigned long pgoff)
44{
45 long error = -EBADF;
46 struct file * file = NULL;
47
48 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
49 if (!(flags & MAP_ANONYMOUS)) {
50 file = fget(fd);
51 if (!file)
52 goto out;
53 }
54
55 down_write(&current->mm->mmap_sem);
56 error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
57 up_write(&current->mm->mmap_sem);
58
59 if (file)
60 fput(file);
61 out:
62 return error;
63}
64
65long old_mmap(unsigned long addr, unsigned long len, 41long old_mmap(unsigned long addr, unsigned long len,
66 unsigned long prot, unsigned long flags, 42 unsigned long prot, unsigned long flags,
67 unsigned long fd, unsigned long offset) 43 unsigned long fd, unsigned long offset)
@@ -70,7 +46,7 @@ long old_mmap(unsigned long addr, unsigned long len,
70 if (offset & ~PAGE_MASK) 46 if (offset & ~PAGE_MASK)
71 goto out; 47 goto out;
72 48
73 err = sys_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT); 49 err = sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
74 out: 50 out:
75 return err; 51 return err;
76} 52}