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Diffstat (limited to 'arch/x86/ia32/sys_ia32.c')
-rw-r--r--arch/x86/ia32/sys_ia32.c43
1 files changed, 1 insertions, 42 deletions
diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index df82c0e48ded..422572c77923 100644
--- a/arch/x86/ia32/sys_ia32.c
+++ b/arch/x86/ia32/sys_ia32.c
@@ -155,9 +155,6 @@ struct mmap_arg_struct {
155asmlinkage long sys32_mmap(struct mmap_arg_struct __user *arg) 155asmlinkage long sys32_mmap(struct mmap_arg_struct __user *arg)
156{ 156{
157 struct mmap_arg_struct a; 157 struct mmap_arg_struct a;
158 struct file *file = NULL;
159 unsigned long retval;
160 struct mm_struct *mm ;
161 158
162 if (copy_from_user(&a, arg, sizeof(a))) 159 if (copy_from_user(&a, arg, sizeof(a)))
163 return -EFAULT; 160 return -EFAULT;
@@ -165,22 +162,8 @@ asmlinkage long sys32_mmap(struct mmap_arg_struct __user *arg)
165 if (a.offset & ~PAGE_MASK) 162 if (a.offset & ~PAGE_MASK)
166 return -EINVAL; 163 return -EINVAL;
167 164
168 if (!(a.flags & MAP_ANONYMOUS)) { 165 return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
169 file = fget(a.fd);
170 if (!file)
171 return -EBADF;
172 }
173
174 mm = current->mm;
175 down_write(&mm->mmap_sem);
176 retval = do_mmap_pgoff(file, a.addr, a.len, a.prot, a.flags,
177 a.offset>>PAGE_SHIFT); 166 a.offset>>PAGE_SHIFT);
178 if (file)
179 fput(file);
180
181 up_write(&mm->mmap_sem);
182
183 return retval;
184} 167}
185 168
186asmlinkage long sys32_mprotect(unsigned long start, size_t len, 169asmlinkage long sys32_mprotect(unsigned long start, size_t len,
@@ -483,30 +466,6 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd,
483 return ret; 466 return ret;
484} 467}
485 468
486asmlinkage long sys32_mmap2(unsigned long addr, unsigned long len,
487 unsigned long prot, unsigned long flags,
488 unsigned long fd, unsigned long pgoff)
489{
490 struct mm_struct *mm = current->mm;
491 unsigned long error;
492 struct file *file = NULL;
493
494 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
495 if (!(flags & MAP_ANONYMOUS)) {
496 file = fget(fd);
497 if (!file)
498 return -EBADF;
499 }
500
501 down_write(&mm->mmap_sem);
502 error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
503 up_write(&mm->mmap_sem);
504
505 if (file)
506 fput(file);
507 return error;
508}
509
510asmlinkage long sys32_olduname(struct oldold_utsname __user *name) 469asmlinkage long sys32_olduname(struct oldold_utsname __user *name)
511{ 470{
512 char *arch = "x86_64"; 471 char *arch = "x86_64";