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authorJiri Kosina <jkosina@suse.cz>2020-09-01 15:19:48 +0300
committerJiri Kosina <jkosina@suse.cz>2020-09-01 15:19:48 +0300
commitead5d1f4d877e92c051e1a1ade623d0d30e71619 (patch)
treecb9db5698a546e7b96f7d5bef5ce544629dd37a2 /lib/strncpy_from_user.c
parentf53fa968a7344970b8f8a5707c39cdcf17a6f367 (diff)
parentb51594df17d0ce80b9f9f35394a1f42d7ac94472 (diff)
downloadlinux-ead5d1f4d877e92c051e1a1ade623d0d30e71619.tar.xz
Merge branch 'master' into for-next
Sync with Linus' branch in order to be able to apply fixups of more recent patches.
Diffstat (limited to 'lib/strncpy_from_user.c')
-rw-r--r--lib/strncpy_from_user.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/strncpy_from_user.c b/lib/strncpy_from_user.c
index 706020b06617..34696a348864 100644
--- a/lib/strncpy_from_user.c
+++ b/lib/strncpy_from_user.c
@@ -98,6 +98,7 @@ long strncpy_from_user(char *dst, const char __user *src, long count)
{
unsigned long max_addr, src_addr;
+ might_fault();
if (unlikely(count <= 0))
return 0;
@@ -116,9 +117,9 @@ long strncpy_from_user(char *dst, const char __user *src, long count)
kasan_check_write(dst, count);
check_object_size(dst, count, false);
- if (user_access_begin(src, max)) {
+ if (user_read_access_begin(src, max)) {
retval = do_strncpy_from_user(dst, src, count, max);
- user_access_end();
+ user_read_access_end();
return retval;
}
}