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drm/i915/selftests: Always free spinner on __sseu_prepare error 

Prepare a nice little onion unwind to ensure that we always free the
spinner if we __sseu_prepare fails.

Fixes: c06ee6ff2c ("drm/i915/selftests: Context SSEU reconfiguration tests")
Reported-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190215195010.16637-1-chris@chris-wilson.co.uk
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
(cherry picked from commit 2a4a275403)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Chris Wilson 2019-02-15 19:50:10 +00:00 committed by Rodrigo Vivi
parent 7b1366b48c
commit 339cc6ae0f
1 changed files with 36 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

73
drivers/gpu/drm/i915/selftests/i915_gem_context.c
View File

@ -710,47 +710,45 @@ __sseu_prepare(struct drm_i915_private *i915,
unsigned int flags,
struct i915_gem_context *ctx,
struct intel_engine_cs *engine,
struct igt_spinner **spin_out)
struct igt_spinner **spin)
{
int ret = 0;
struct i915_request *rq;
int ret;
if (flags & (TEST_BUSY | TEST_RESET)) {
struct igt_spinner *spin;
struct i915_request *rq;
*spin = NULL;
if (!(flags & (TEST_BUSY | TEST_RESET)))
return 0;
spin = kzalloc(sizeof(*spin), GFP_KERNEL);
if (!spin) {
ret = -ENOMEM;
goto out;
}
*spin = kzalloc(sizeof(**spin), GFP_KERNEL);
if (!*spin)
return -ENOMEM;
ret = igt_spinner_init(spin, i915);
if (ret)
return ret;
ret = igt_spinner_init(*spin, i915);
if (ret)
goto err_free;
rq = igt_spinner_create_request(spin, ctx, engine, MI_NOOP);
if (IS_ERR(rq)) {
ret = PTR_ERR(rq);
igt_spinner_fini(spin);
kfree(spin);
goto out;
}
i915_request_add(rq);
if (!igt_wait_for_spinner(spin, rq)) {
pr_err("%s: Spinner failed to start!\n", name);
igt_spinner_end(spin);
igt_spinner_fini(spin);
kfree(spin);
ret = -ETIMEDOUT;
goto out;
}
*spin_out = spin;
rq = igt_spinner_create_request(*spin, ctx, engine, MI_NOOP);
if (IS_ERR(rq)) {
ret = PTR_ERR(rq);
goto err_fini;
}
out:
i915_request_add(rq);
if (!igt_wait_for_spinner(*spin, rq)) {
pr_err("%s: Spinner failed to start!\n", name);
ret = -ETIMEDOUT;
goto err_end;
}
return 0;
err_end:
igt_spinner_end(*spin);
err_fini:
igt_spinner_fini(*spin);
err_free:
kfree(fetch_and_zero(spin));
return ret;
}
@ -897,22 +895,23 @@ __sseu_test(struct drm_i915_private *i915,
ret = __sseu_prepare(i915, name, flags, ctx, engine, &spin);
if (ret)
goto out;
goto out_context;
ret = __i915_gem_context_reconfigure_sseu(ctx, engine, sseu);
if (ret)
goto out;
goto out_spin;
ret = __sseu_finish(i915, name, flags, ctx, kctx, engine, obj,
hweight32(sseu.slice_mask), spin);
out:
out_spin:
if (spin) {
igt_spinner_end(spin);
igt_spinner_fini(spin);
kfree(spin);
}
out_context:
kernel_context_close(kctx);
return ret;