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authorAl Viro <viro@zeniv.linux.org.uk>2017-03-21 04:08:07 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2017-03-28 23:43:25 +0300
commitdb68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63 (patch)
tree77eda1d247853a2d414e0047c620b3c72bb11a1a /block
parentaaa2e7ac80f679230faf28a8e12e8d68dbe977eb (diff)
downloadlinux-db68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63.tar.xz
new helper: uaccess_kernel()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'block')
-rw-r--r--block/bsg.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/bsg.c b/block/bsg.c
index 74835dbf0c47..69ccb7801a75 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -650,7 +650,7 @@ bsg_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
dprintk("%s: write %zd bytes\n", bd->name, count);
- if (unlikely(segment_eq(get_fs(), KERNEL_DS)))
+ if (unlikely(uaccess_kernel()))
return -EINVAL;
bsg_set_block(bd, file);