Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: [Intel-gfx] [PATCH] drm/i915/selftest: Fix use of err in igt_reset_{fail, nop}_engine() | From | Joonas Lahtinen <> | Date | Tue, 24 Aug 2021 12:52:31 +0300 |
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Quoting Nathan Chancellor (2021-08-23 22:08:37) > Ping? This is a pretty clear bug and it is not fixed in -next or > drm-intel at this point.
Pushed to drm-intel-gt-next with my R-b.
Regards, Joonas
> On Fri, Aug 13, 2021 at 10:11:58AM -0700, Nathan Chancellor wrote: > > 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@oracle.com> > > Signed-off-by: Nathan Chancellor <nathan@kernel.org> > > --- > > 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
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