AcoSail/kernel_optimize_test
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lib/test: delete five error messages for failed memory allocations

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Omit extra messages for a memory allocation failure in these functions.

This issue was detected by using the Coccinelle software.

Link: http://lkml.kernel.org/r/410a4c5a-4ee0-6fcc-969c-103d8e496b78@users.sourceforge.net
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Markus Elfring 2017-11-17 15:28:00 -08:00 committed by Linus Torvalds
parent d6b28e0996
commit dc2bf000a2
3 changed files with 7 additions and 15 deletions
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5
lib/test_kasan.c
View File

@ -353,10 +353,9 @@ static noinline void __init memcg_accounted_kmem_cache(void)
*/
for (i = 0; i < 5; i++) {
p = kmem_cache_alloc(cache, GFP_KERNEL);
if (!p) {
pr_err("Allocation failed\n");
if (!p)
goto free_cache;
}
kmem_cache_free(cache, p);
msleep(100);
}

8
lib/test_kmod.c
View File

@ -783,10 +783,8 @@ static int kmod_config_sync_info(struct kmod_test_device *test_dev)
free_test_dev_info(test_dev);
test_dev->info = vzalloc(config->num_threads *
sizeof(struct kmod_test_device_info));
if (!test_dev->info) {
dev_err(test_dev->dev, "Cannot alloc test_dev info\n");
if (!test_dev->info)
return -ENOMEM;
}
return 0;
}
@ -1089,10 +1087,8 @@ static struct kmod_test_device *alloc_test_dev_kmod(int idx)
struct miscdevice *misc_dev;
test_dev = vzalloc(sizeof(struct kmod_test_device));
if (!test_dev) {
pr_err("Cannot alloc test_dev\n");
if (!test_dev)
goto err_out;
}
mutex_init(&test_dev->config_mutex);
mutex_init(&test_dev->trigger_mutex);

9
lib/test_list_sort.c
View File

@ -76,17 +76,14 @@ static int __init list_sort_test(void)
pr_debug("start testing list_sort()\n");
elts = kcalloc(TEST_LIST_LEN, sizeof(*elts), GFP_KERNEL);
if (!elts) {
pr_err("error: cannot allocate memory\n");
if (!elts)
return err;
}
for (i = 0; i < TEST_LIST_LEN; i++) {
el = kmalloc(sizeof(*el), GFP_KERNEL);
if (!el) {
pr_err("error: cannot allocate memory\n");
if (!el)
goto exit;
}
/* force some equivalencies */
el->value = prandom_u32() % (TEST_LIST_LEN / 3);
el->serial = i;