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authorRaul E Rangel <rrangel@chromium.org>2019-08-27 11:36:19 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-08-28 22:33:44 +0200
commitb9bc7b8b1e9e815b231c1ca0b566ee723f480987 (patch)
tree427091a02289926a9e906e4e4bbb12d74f90745a /drivers/misc/lkdtm
parent587f17407741a5be07f8a2d1809ec946c8120962 (diff)
downloadlinux-next-b9bc7b8b1e9e815b231c1ca0b566ee723f480987.tar.gz
lkdtm/bugs: fix build error in lkdtm_EXHAUST_STACK
lkdtm/bugs.c:94:2: error: format '%d' expects argument of type 'int', but argument 2 has type 'long unsigned int' [-Werror=format=] pr_info("Calling function with %d frame size to depth %d ...\n", ^ THREAD_SIZE is defined as a unsigned long, cast CONFIG_FRAME_WARN to unsigned long as well. Fixes: 24cccab42c419 ("lkdtm/bugs: Adjust recursion test to avoid elision") Cc: stable <stable@vger.kernel.org> Signed-off-by: Raul E Rangel <rrangel@chromium.org> Acked-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20190827173619.170065-1-rrangel@chromium.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/lkdtm')
-rw-r--r--drivers/misc/lkdtm/bugs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/misc/lkdtm/bugs.c b/drivers/misc/lkdtm/bugs.c
index 1606658b9b7e..24245ccdba72 100644
--- a/drivers/misc/lkdtm/bugs.c
+++ b/drivers/misc/lkdtm/bugs.c
@@ -22,7 +22,7 @@ struct lkdtm_list {
* recurse past the end of THREAD_SIZE by default.
*/
#if defined(CONFIG_FRAME_WARN) && (CONFIG_FRAME_WARN > 0)
-#define REC_STACK_SIZE (CONFIG_FRAME_WARN / 2)
+#define REC_STACK_SIZE (_AC(CONFIG_FRAME_WARN, UL) / 2)
#else
#define REC_STACK_SIZE (THREAD_SIZE / 8)
#endif
@@ -91,7 +91,7 @@ void lkdtm_LOOP(void)
void lkdtm_EXHAUST_STACK(void)
{
- pr_info("Calling function with %d frame size to depth %d ...\n",
+ pr_info("Calling function with %lu frame size to depth %d ...\n",
REC_STACK_SIZE, recur_count);
recursive_loop(recur_count);
pr_info("FAIL: survived without exhausting stack?!\n");