mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
* [PATCH 1/1] drm/msm: fix %s null argument error
@ 2024-08-27 16:53 Sherry Yang
  2024-08-27 17:50 ` Abhinav Kumar
  2024-09-05  3:33 ` Dmitry Baryshkov
  0 siblings, 2 replies; 4+ messages in thread
From: Sherry Yang @ 2024-08-27 16:53 UTC (permalink / raw)
  To: robdclark, quic_abhinavk, dmitry.baryshkov, sean, marijn.suijten,
	airlied, daniel, ruanjinjie
  Cc: sherry.yang, linux-arm-msm, dri-devel, freedreno, linux-kernel

The following build error was triggered because of NULL string argument:

BUILDSTDERR: drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c: In function 'mdp5_smp_dump':
BUILDSTDERR: drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c:352:51: error: '%s' directive argument is null [-Werror=format-overflow=]
BUILDSTDERR:   352 |                         drm_printf(p, "%s:%d\t%d\t%s\n",
BUILDSTDERR:       |                                                   ^~
BUILDSTDERR: drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c:352:51: error: '%s' directive argument is null [-Werror=format-overflow=]

This happens from the commit a61ddb4393ad ("drm: enable (most) W=1
warnings by default across the subsystem"). Using "(null)" instead
to fix it.

Fixes: bc5289eed481 ("drm/msm/mdp5: add debugfs to show smp block status")
Signed-off-by: Sherry Yang <sherry.yang@oracle.com>
---
 drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c
index 3a7f7edda96b..500b7dc895d0 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c
@@ -351,7 +351,7 @@ void mdp5_smp_dump(struct mdp5_smp *smp, struct drm_printer *p,
 
 			drm_printf(p, "%s:%d\t%d\t%s\n",
 				pipe2name(pipe), j, inuse,
-				plane ? plane->name : NULL);
+				plane ? plane->name : "(null)");
 
 			total += inuse;
 		}
-- 
2.45.2


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2024-09-05  3:33 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-08-27 16:53 [PATCH 1/1] drm/msm: fix %s null argument error Sherry Yang
2024-08-27 17:50 ` Abhinav Kumar
2024-08-27 18:48   ` Sherry Yang
2024-09-05  3:33 ` Dmitry Baryshkov

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®