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authorMax Filippov <jcmvbkbc@gmail.com>2017-12-17 14:43:15 -0800
committerMax Filippov <jcmvbkbc@gmail.com>2017-12-17 15:34:57 -0800
commit57358ba9564a0520f870dc14a0f91e7dacc18236 (patch)
tree616be15e6bbe43bbf7539a359b3485b070f62920 /arch/xtensa/kernel
parente0baa01438d3fa3979f94f98be19ca3df88e0b7c (diff)
downloadlinux-57358ba9564a0520f870dc14a0f91e7dacc18236.tar.bz2
xtensa: use generic strncpy_from_user with KASAN
This enables KASAN check of the destination buffer. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/kernel')
-rw-r--r--arch/xtensa/kernel/xtensa_ksyms.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c
index 3a443f83ae87..04f19de46700 100644
--- a/arch/xtensa/kernel/xtensa_ksyms.c
+++ b/arch/xtensa/kernel/xtensa_ksyms.c
@@ -44,7 +44,9 @@ EXPORT_SYMBOL(memmove);
EXPORT_SYMBOL(__memset);
EXPORT_SYMBOL(__memcpy);
EXPORT_SYMBOL(__memmove);
+#ifndef CONFIG_GENERIC_STRNCPY_FROM_USER
EXPORT_SYMBOL(__strncpy_user);
+#endif
EXPORT_SYMBOL(clear_page);
EXPORT_SYMBOL(copy_page);