Merge git://github.com/rustyrussell/linux

* git://github.com/rustyrussell/linux:
  params: make dashes and underscores in parameter names truly equal
  kmod: prevent kmod_loop_msg overflow in __request_module()
这个提交包含在:
Linus Torvalds
2011-10-26 14:39:47 +02:00
当前提交 2355e42903
修改 4 个文件,包含 39 行新增10 行删除

查看文件

@@ -114,10 +114,12 @@ int __request_module(bool wait, const char *fmt, ...)
atomic_inc(&kmod_concurrent);
if (atomic_read(&kmod_concurrent) > max_modprobes) {
/* We may be blaming an innocent here, but unlikely */
if (kmod_loop_msg++ < 5)
if (kmod_loop_msg < 5) {
printk(KERN_ERR
"request_module: runaway loop modprobe %s\n",
module_name);
kmod_loop_msg++;
}
atomic_dec(&kmod_concurrent);
return -ENOMEM;
}

查看文件

@@ -67,20 +67,27 @@ static void maybe_kfree_parameter(void *param)
}
}
static inline char dash2underscore(char c)
static char dash2underscore(char c)
{
if (c == '-')
return '_';
return c;
}
static inline int parameq(const char *input, const char *paramname)
bool parameqn(const char *a, const char *b, size_t n)
{
unsigned int i;
for (i = 0; dash2underscore(input[i]) == paramname[i]; i++)
if (input[i] == '\0')
return 1;
return 0;
size_t i;
for (i = 0; i < n; i++) {
if (dash2underscore(a[i]) != dash2underscore(b[i]))
return false;
}
return true;
}
bool parameq(const char *a, const char *b)
{
return parameqn(a, b, strlen(a)+1);
}
static int parse_one(char *param,