From 25553494b275a1a4cf06e4a7aa4073817cb2b846 Mon Sep 17 00:00:00 2001 From: Cong Liu Date: Wed, 17 May 2023 13:02:03 +0800 Subject: [PATCH] drm/i915: Fix memory leaks in function live_nop_switch Be sure to properly free the allocated memory before exiting the live_nop_switch function. Signed-off-by: Cong Liu Suggested-by: Rodrigo Vivi Signed-off-by: Rodrigo Vivi Link: https://patchwork.freedesktop.org/patch/msgid/20230517050204.4111874-1-liucong2@kylinos.cn --- .../gpu/drm/i915/gem/selftests/i915_gem_context.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c index 2697fbaa2ceb..ad6a3b2fb387 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c @@ -66,7 +66,7 @@ static int live_nop_switch(void *arg) ctx[n] = live_context(i915, file); if (IS_ERR(ctx[n])) { err = PTR_ERR(ctx[n]); - goto out_file; + goto out_ctx; } } @@ -82,7 +82,7 @@ static int live_nop_switch(void *arg) this = igt_request_alloc(ctx[n], engine); if (IS_ERR(this)) { err = PTR_ERR(this); - goto out_file; + goto out_ctx; } if (rq) { i915_request_await_dma_fence(this, &rq->fence); @@ -96,7 +96,7 @@ static int live_nop_switch(void *arg) intel_gt_set_wedged(engine->gt); i915_request_put(rq); err = -EIO; - goto out_file; + goto out_ctx; } i915_request_put(rq); @@ -107,7 +107,7 @@ static int live_nop_switch(void *arg) err = igt_live_test_begin(&t, i915, __func__, engine->name); if (err) - goto out_file; + goto out_ctx; end_time = jiffies + i915_selftest.timeout_jiffies; for_each_prime_number_from(prime, 2, 8192) { @@ -120,7 +120,7 @@ static int live_nop_switch(void *arg) this = igt_request_alloc(ctx[n % nctx], engine); if (IS_ERR(this)) { err = PTR_ERR(this); - goto out_file; + goto out_ctx; } if (rq) { /* Force submission order */ @@ -165,7 +165,7 @@ static int live_nop_switch(void *arg) err = igt_live_test_end(&t); if (err) - goto out_file; + goto out_ctx; pr_info("Switch latencies on %s: 1 = %lluns, %lu = %lluns\n", engine->name, @@ -173,6 +173,8 @@ static int live_nop_switch(void *arg) prime - 1, div64_u64(ktime_to_ns(times[1]), prime - 1)); } +out_ctx: + kfree(ctx); out_file: fput(file); return err;