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authorKees Cook <keescook@chromium.org>2017-11-17 15:27:17 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-17 16:10:01 -0800
commitd32f11ba281b7e203932c0a65ec1fb302493cbbe (patch)
tree9771f522d9a45534d6ac0bfc9b64512df97f7fff /drivers/misc
parentd15809f3649e2ee04713a9dba9aa7bd2c208ad82 (diff)
lkdtm: include WARN format string
In order to test the ordering of WARN format strings, actually include one in LKDTM. Link: http://lkml.kernel.org/r/1510100869-73751-2-git-send-email-keescook@chromium.org Signed-off-by: Kees Cook <keescook@chromium.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Fengguang Wu <fengguang.wu@intel.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/lkdtm_bugs.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/misc/lkdtm_bugs.c b/drivers/misc/lkdtm_bugs.c
index b0f7af872bb5..7eebbdfbcacd 100644
--- a/drivers/misc/lkdtm_bugs.c
+++ b/drivers/misc/lkdtm_bugs.c
@@ -63,9 +63,11 @@ void lkdtm_BUG(void)
BUG();
}
+static int warn_counter;
+
void lkdtm_WARNING(void)
{
- WARN_ON(1);
+ WARN(1, "Warning message trigger count: %d\n", warn_counter++);
}
void lkdtm_EXCEPTION(void)