From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/lib/test_kmod.c | 29 ++++++++++++-----------------
1 files changed, 12 insertions(+), 17 deletions(-)
diff --git a/kernel/lib/test_kmod.c b/kernel/lib/test_kmod.c
index 87a0cc7..c282728 100644
--- a/kernel/lib/test_kmod.c
+++ b/kernel/lib/test_kmod.c
@@ -204,7 +204,7 @@
case TEST_KMOD_DRIVER:
break;
case TEST_KMOD_FS_TYPE:
- if (info && info->fs_sync && info->fs_sync->owner)
+ if (info->fs_sync && info->fs_sync->owner)
module_put(info->fs_sync->owner);
break;
default:
@@ -877,20 +877,17 @@
int (*test_sync)(struct kmod_test_device *test_dev))
{
int ret;
- unsigned long new;
+ unsigned int val;
unsigned int old_val;
- ret = kstrtoul(buf, 10, &new);
+ ret = kstrtouint(buf, 10, &val);
if (ret)
return ret;
-
- if (new > UINT_MAX)
- return -EINVAL;
mutex_lock(&test_dev->config_mutex);
old_val = *config;
- *(unsigned int *)config = new;
+ *(unsigned int *)config = val;
ret = test_sync(test_dev);
if (ret) {
@@ -914,18 +911,18 @@
unsigned int min,
unsigned int max)
{
+ unsigned int val;
int ret;
- unsigned long new;
- ret = kstrtoul(buf, 10, &new);
+ ret = kstrtouint(buf, 10, &val);
if (ret)
return ret;
- if (new < min || new > max)
+ if (val < min || val > max)
return -EINVAL;
mutex_lock(&test_dev->config_mutex);
- *config = new;
+ *config = val;
mutex_unlock(&test_dev->config_mutex);
/* Always return full write size even if we didn't consume all */
@@ -936,18 +933,15 @@
const char *buf, size_t size,
int *config)
{
+ int val;
int ret;
- long new;
- ret = kstrtol(buf, 10, &new);
+ ret = kstrtoint(buf, 10, &val);
if (ret)
return ret;
- if (new < INT_MIN || new > INT_MAX)
- return -EINVAL;
-
mutex_lock(&test_dev->config_mutex);
- *config = new;
+ *config = val;
mutex_unlock(&test_dev->config_mutex);
/* Always return full write size even if we didn't consume all */
return size;
@@ -1155,6 +1149,7 @@
if (ret) {
pr_err("could not register misc device: %d\n", ret);
free_test_dev_kmod(test_dev);
+ test_dev = NULL;
goto out;
}
--
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