[PATCH] drm/i915/selftest: Fix use of err in igt_reset_{fail,nop}_engine()
From: Nathan Chancellor
Date: Fri Aug 13 2021 - 13:13:56 EST
Clang warns:
In file included from drivers/gpu/drm/i915/gt/intel_reset.c:1514:
drivers/gpu/drm/i915/gt/selftest_hangcheck.c:465:62: warning: variable
'err' is uninitialized when used here [-Wuninitialized]
pr_err("[%s] Create context failed: %d!\n", engine->name, err);
^~~
...
drivers/gpu/drm/i915/gt/selftest_hangcheck.c:580:62: warning: variable
'err' is uninitialized when used here [-Wuninitialized]
pr_err("[%s] Create context failed: %d!\n", engine->name, err);
^~~
...
2 warnings generated.
This appears to be a copy and paste issue. Use ce directly using the %pe
specifier to pretty print the error code so that err is not used
uninitialized in these functions.
Fixes: 3a7b72665ea5 ("drm/i915/selftest: Bump selftest timeouts for hangcheck")
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Nathan Chancellor <nathan@xxxxxxxxxx>
---
drivers/gpu/drm/i915/gt/selftest_hangcheck.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
index 08f011f893b2..2c1ed32ca5ac 100644
--- a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
+++ b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
@@ -462,7 +462,7 @@ static int igt_reset_nop_engine(void *arg)
ce = intel_context_create(engine);
if (IS_ERR(ce)) {
- pr_err("[%s] Create context failed: %d!\n", engine->name, err);
+ pr_err("[%s] Create context failed: %pe!\n", engine->name, ce);
return PTR_ERR(ce);
}
@@ -577,7 +577,7 @@ static int igt_reset_fail_engine(void *arg)
ce = intel_context_create(engine);
if (IS_ERR(ce)) {
- pr_err("[%s] Create context failed: %d!\n", engine->name, err);
+ pr_err("[%s] Create context failed: %pe!\n", engine->name, ce);
return PTR_ERR(ce);
}
base-commit: 927dfdd09d8c03ba100ed0c8c3915f8e1d1f5556
--
2.33.0.rc2