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Diffstat (limited to 'lib/test_kmod.c')
-rw-r--r--lib/test_kmod.c28
1 files changed, 12 insertions, 16 deletions
diff --git a/lib/test_kmod.c b/lib/test_kmod.c
index 6c1d678bcf8b..337f408b4de6 100644
--- a/lib/test_kmod.c
+++ b/lib/test_kmod.c
@@ -485,7 +485,7 @@ static ssize_t config_show(struct device *dev,
config->test_driver);
else
len += snprintf(buf+len, PAGE_SIZE - len,
- "driver:\tEMTPY\n");
+ "driver:\tEMPTY\n");
if (config->test_fs)
len += snprintf(buf+len, PAGE_SIZE - len,
@@ -493,7 +493,7 @@ static ssize_t config_show(struct device *dev,
config->test_fs);
else
len += snprintf(buf+len, PAGE_SIZE - len,
- "fs:\tEMTPY\n");
+ "fs:\tEMPTY\n");
mutex_unlock(&test_dev->config_mutex);
@@ -746,11 +746,11 @@ static int trigger_config_run_type(struct kmod_test_device *test_dev,
strlen(test_str));
break;
case TEST_KMOD_FS_TYPE:
- break;
kfree_const(config->test_fs);
config->test_driver = NULL;
copied = config_copy_test_fs(config, test_str,
strlen(test_str));
+ break;
default:
mutex_unlock(&test_dev->config_mutex);
return -EINVAL;
@@ -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;
}
@@ -880,10 +878,10 @@ static int test_dev_config_update_uint_sync(struct kmod_test_device *test_dev,
int (*test_sync)(struct kmod_test_device *test_dev))
{
int ret;
- long new;
+ unsigned long new;
unsigned int old_val;
- ret = kstrtol(buf, 10, &new);
+ ret = kstrtoul(buf, 10, &new);
if (ret)
return ret;
@@ -918,13 +916,13 @@ static int test_dev_config_update_uint_range(struct kmod_test_device *test_dev,
unsigned int max)
{
int ret;
- long new;
+ unsigned long new;
- ret = kstrtol(buf, 10, &new);
+ ret = kstrtoul(buf, 10, &new);
if (ret)
return ret;
- if (new < min || new > max || new > UINT_MAX)
+ if (new < min || new > max)
return -EINVAL;
mutex_lock(&test_dev->config_mutex);
@@ -946,7 +944,7 @@ static int test_dev_config_update_int(struct kmod_test_device *test_dev,
if (ret)
return ret;
- if (new > INT_MAX || new < INT_MIN)
+ if (new < INT_MIN || new > INT_MAX)
return -EINVAL;
mutex_lock(&test_dev->config_mutex);
@@ -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);
@@ -1146,7 +1142,7 @@ static struct kmod_test_device *register_test_dev_kmod(void)
struct kmod_test_device *test_dev = NULL;
int ret;
- mutex_unlock(&reg_dev_mutex);
+ mutex_lock(&reg_dev_mutex);
/* int should suffice for number of devices, test for wrap */
if (unlikely(num_test_devs + 1) < 0) {