summaryrefslogtreecommitdiffstats
path: root/arch/mips
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/kernel/linux32.c19
-rw-r--r--arch/mips/kernel/syscall.c29
2 files changed, 4 insertions, 44 deletions
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 1a2793efdc4e..f042563c924f 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -67,28 +67,13 @@ SYSCALL_DEFINE6(32_mmap2, unsigned long, addr, unsigned long, len,
unsigned long, prot, unsigned long, flags, unsigned long, fd,
unsigned long, pgoff)
{
- struct file * file = NULL;
unsigned long error;
error = -EINVAL;
if (pgoff & (~PAGE_MASK >> 12))
goto out;
- pgoff >>= PAGE_SHIFT-12;
-
- if (!(flags & MAP_ANONYMOUS)) {
- error = -EBADF;
- file = fget(fd);
- if (!file)
- goto out;
- }
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-
- 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);
-
+ error = sys_mmap_pgoff(addr, len, prot, flags, fd,
+ pgoff >> (PAGE_SHIFT-12));
out:
return error;
}
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index fe0d79805603..c25b2e7dcb7b 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -129,31 +129,6 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
}
}
-/* common code for old and new mmaps */
-static inline unsigned long
-do_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
- unsigned long flags, unsigned long fd, unsigned long pgoff)
-{
- unsigned long 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;
-}
-
SYSCALL_DEFINE6(mips_mmap, unsigned long, addr, unsigned long, len,
unsigned long, prot, unsigned long, flags, unsigned long,
fd, off_t, offset)
@@ -164,7 +139,7 @@ SYSCALL_DEFINE6(mips_mmap, unsigned long, addr, unsigned long, len,
if (offset & ~PAGE_MASK)
goto out;
- result = do_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
+ result = sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
out:
return result;
@@ -177,7 +152,7 @@ SYSCALL_DEFINE6(mips_mmap2, unsigned long, addr, unsigned long, len,
if (pgoff & (~PAGE_MASK >> 12))
return -EINVAL;
- return do_mmap2(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT-12));
+ return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT-12));
}
save_static_function(sys_fork);