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authorIngo Molnar <mingo@elte.hu>2008-12-04 09:07:19 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-04 09:07:19 +0100
commitb8307db2477f9c551e54e0c7b643ea349a3349cd (patch)
tree88654f8bd73857bbd40f75013ce41d8882d16ce6 /arch/frv/kernel/sys_frv.c
parentf0461d0146ee30927bc7efa2ae24ea8c6693b725 (diff)
parent061e41fdb5047b1fb161e89664057835935ca1d2 (diff)
Merge commit 'v2.6.28-rc7' into tracing/core
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 49b2cf2c38f..baadc97f862 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);