path: root/mm
diff options
authorLinus Torvalds <torvalds@linux-foundation.org>2017-09-14 18:13:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-14 18:13:32 -0700
commit581bfce969cbfc7ce43ee92273be9cb7c3fdfa61 (patch)
tree0a693778ce39c49b9b7d93d0d6795c576896f5cf /mm
parentcc73fee0bae2d66594d1fa2df92bbd783aa98e04 (diff)
parent9725d4cef62229b4ec4c912e0db0761e7d400650 (diff)
Merge branch 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull more set_fs removal from Al Viro: "Christoph's 'use kernel_read and friends rather than open-coding set_fs()' series" * 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fs: unexport vfs_readv and vfs_writev fs: unexport vfs_read and vfs_write fs: unexport __vfs_read/__vfs_write lustre: switch to kernel_write gadget/f_mass_storage: stop messing with the address limit mconsole: switch to kernel_read btrfs: switch write_buf to kernel_write net/9p: switch p9_fd_read to kernel_write mm/nommu: switch do_mmap_private to kernel_read serial2002: switch serial2002_tty_write to kernel_{read/write} fs: make the buf argument to __kernel_write a void pointer fs: fix kernel_write prototype fs: fix kernel_read prototype fs: move kernel_read to fs/read_write.c fs: move kernel_write to fs/read_write.c autofs4: switch autofs4_write to __kernel_write ashmem: switch to ->read_iter
Diffstat (limited to 'mm')
1 files changed, 1 insertions, 6 deletions
diff --git a/mm/nommu.c b/mm/nommu.c
index 53d5175a5c14..17c00d93de2e 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1164,17 +1164,12 @@ static int do_mmap_private(struct vm_area_struct *vma,
if (vma->vm_file) {
/* read the contents of a file into the copy */
- mm_segment_t old_fs;
loff_t fpos;
fpos = vma->vm_pgoff;
fpos <<= PAGE_SHIFT;
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- ret = __vfs_read(vma->vm_file, base, len, &fpos);
- set_fs(old_fs);
+ ret = kernel_read(vma->vm_file, base, len, &fpos);
if (ret < 0)
goto error_free;