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authorIngo Molnar <mingo@elte.hu>2008-12-02 20:09:50 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-02 20:09:50 +0100
commita64d31baed104be25305e9c71585d3ea4ee9a418 (patch)
tree470e3c59ef39f38bcd69f8fef7dba8f76afbec53 /arch/frv/kernel/sys_frv.c
parent1c39194878c09bd88ffc9c9d4c2f01c3397c7aed (diff)
parent061e41fdb5047b1fb161e89664057835935ca1d2 (diff)
Merge branch 'linus' into cpus4096
Conflicts: kernel/trace/ring_buffer.c
Diffstat (limited to 'arch/frv/kernel/sys_frv.c')
-rw-r--r--arch/frv/kernel/sys_frv.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/frv/kernel/sys_frv.c b/arch/frv/kernel/sys_frv.c
index 49b2cf2c38f3..baadc97f8627 100644
--- a/arch/frv/kernel/sys_frv.c
+++ b/arch/frv/kernel/sys_frv.c
@@ -35,22 +35,21 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
int error = -EBADF;
struct file * file = NULL;
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
- if (!(flags & MAP_ANONYMOUS)) {
- file = fget(fd);
- if (!file)
- goto out;
- }
-
/* As with sparc32, make sure the shift for mmap2 is constant
(12), no matter what PAGE_SIZE we have.... */
/* But unlike sparc32, don't just silently break if we're
trying to map something we can't */
- if (pgoff & ((1<<(PAGE_SHIFT-12))-1))
+ if (pgoff & ((1 << (PAGE_SHIFT - 12)) - 1))
return -EINVAL;
+ pgoff >>= PAGE_SHIFT - 12;
- pgoff >>= (PAGE_SHIFT - 12);
+ flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
+ if (!(flags & MAP_ANONYMOUS)) {
+ file = fget(fd);
+ if (!file)
+ goto out;
+ }
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);