commit | db68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63 | [log] [tgz] |
---|---|---|
author | Al Viro <viro@zeniv.linux.org.uk> | Mon Mar 20 21:08:07 2017 -0400 |
committer | Al Viro <viro@zeniv.linux.org.uk> | Tue Mar 28 16:43:25 2017 -0400 |
tree | 77eda1d247853a2d414e0047c620b3c72bb11a1a | |
parent | aaa2e7ac80f679230faf28a8e12e8d68dbe977eb [diff] [blame] |
new helper: uaccess_kernel() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/block/bsg.c b/block/bsg.c index 74835db..69ccb78 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);