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Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/kernel/sys_sh.c28
-rw-r--r--arch/sh/mm/mmap.c3
2 files changed, 4 insertions, 27 deletions
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 8aa5d1ceaf1..71399cde03b 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -28,37 +28,13 @@
#include <asm/cacheflush.h>
#include <asm/cachectl.h>
-static inline long
-do_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
- unsigned long flags, int fd, unsigned long pgoff)
-{
- int error = -EBADF;
- struct file *file = NULL;
-
- 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);
- up_write(&current->mm->mmap_sem);
-
- if (file)
- fput(file);
-out:
- return error;
-}
-
asmlinkage int old_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
int fd, unsigned long off)
{
if (off & ~PAGE_MASK)
return -EINVAL;
- return do_mmap2(addr, len, prot, flags, fd, off>>PAGE_SHIFT);
+ return sys_mmap_pgoff(addr, len, prot, flags, fd, off>>PAGE_SHIFT);
}
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
@@ -74,7 +50,7 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
pgoff >>= PAGE_SHIFT - 12;
- return do_mmap2(addr, len, prot, flags, fd, pgoff);
+ return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
}
/*
diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c
index d2984fa42d3..afeb710ec5c 100644
--- a/arch/sh/mm/mmap.c
+++ b/arch/sh/mm/mmap.c
@@ -54,7 +54,8 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
/* We do not accept a shared mapping if it would violate
* cache aliasing constraints.
*/
- if ((flags & MAP_SHARED) && (addr & shm_align_mask))
+ if ((flags & MAP_SHARED) &&
+ ((addr - (pgoff << PAGE_SHIFT)) & shm_align_mask))
return -EINVAL;
return addr;
}