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author | 2009-11-30 17:37:04 -0500 | |
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committer | 2009-12-11 06:44:29 -0500 | |
commit | f8b7256096a20436f6d0926747e3ac3d64c81d24 (patch) | |
tree | 18bcabd1de263bd2d0f8d6b763bde8b037716c5c /arch/microblaze/kernel/sys_microblaze.c | |
parent | Cut hugetlb case early for 32bit on ia64 (diff) | |
download | linux-f8b7256096a20436f6d0926747e3ac3d64c81d24.tar.gz linux-f8b7256096a20436f6d0926747e3ac3d64c81d24.tar.bz2 linux-f8b7256096a20436f6d0926747e3ac3d64c81d24.zip |
Unify sys_mmap*
New helper - sys_mmap_pgoff(); switch syscalls to using it.
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/microblaze/kernel/sys_microblaze.c')
-rw-r--r-- | arch/microblaze/kernel/sys_microblaze.c | 38 |
1 files changed, 3 insertions, 35 deletions
diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c index 07cabed4b947..9f3c205fb75b 100644 --- a/arch/microblaze/kernel/sys_microblaze.c +++ b/arch/microblaze/kernel/sys_microblaze.c @@ -62,46 +62,14 @@ out: return error; } -asmlinkage long -sys_mmap2(unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff) -{ - struct file *file = NULL; - int ret = -EBADF; - - flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - if (!(flags & MAP_ANONYMOUS)) { - file = fget(fd); - if (!file) { - printk(KERN_INFO "no fd in mmap\r\n"); - goto out; - } - } - - down_write(¤t->mm->mmap_sem); - ret = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); - up_write(¤t->mm->mmap_sem); - if (file) - fput(file); -out: - return ret; -} - asmlinkage long sys_mmap(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, off_t pgoff) { - int err = -EINVAL; - - if (pgoff & ~PAGE_MASK) { - printk(KERN_INFO "no pagemask in mmap\r\n"); - goto out; - } + if (pgoff & ~PAGE_MASK) + return -EINVAL; - err = sys_mmap2(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT); -out: - return err; + return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT); } /* |