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authorJiri Kosina <jkosina@suse.cz>2019-11-29 20:34:28 +0100
committerJiri Kosina <jkosina@suse.cz>2019-11-29 20:34:28 +0100
commitb746a1a2860f4a918f32d10dc569115d282aaf2f (patch)
tree4b30e6ff28e2783c73a1b763e819f5b41414563c /lib/strncpy_from_user.c
parent8725aa4fa7ded30211ebd28bb1c9bae806eb3841 (diff)
parentb03e5774d51fe003e1020060c403a1d085b128eb (diff)
Merge branch 'for-5.5/core' into for-linus
- hid_have_special_driver[] cleanup for LED devices (Heiner Kallweit) - HID parser improvements (Blaž Hrastnik, Candle Sun)
Diffstat (limited to 'lib/strncpy_from_user.c')
-rw-r--r--lib/strncpy_from_user.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/strncpy_from_user.c b/lib/strncpy_from_user.c
index 023ba9f3b99f..dccb95af6003 100644
--- a/lib/strncpy_from_user.c
+++ b/lib/strncpy_from_user.c
@@ -6,6 +6,7 @@
#include <linux/uaccess.h>
#include <linux/kernel.h>
#include <linux/errno.h>
+#include <linux/mm.h>
#include <asm/byteorder.h>
#include <asm/word-at-a-time.h>
@@ -108,7 +109,7 @@ long strncpy_from_user(char *dst, const char __user *src, long count)
return 0;
max_addr = user_addr_max();
- src_addr = (unsigned long)src;
+ src_addr = (unsigned long)untagged_addr(src);
if (likely(src_addr < max_addr)) {
unsigned long max = max_addr - src_addr;
long retval;