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sched: Remove rq argument to the tracepoints
[safe/jmp/linux-2.6]
/
kernel
/
kmod.c
diff --git
a/kernel/kmod.c
b/kernel/kmod.c
index
7e95bed
..
bf0e231
100644
(file)
--- a/
kernel/kmod.c
+++ b/
kernel/kmod.c
@@
-24,7
+24,6
@@
#include <linux/unistd.h>
#include <linux/kmod.h>
#include <linux/slab.h>
#include <linux/unistd.h>
#include <linux/kmod.h>
#include <linux/slab.h>
-#include <linux/mnt_namespace.h>
#include <linux/completion.h>
#include <linux/file.h>
#include <linux/fdtable.h>
#include <linux/completion.h>
#include <linux/file.h>
#include <linux/fdtable.h>
@@
-38,6
+37,8
@@
#include <linux/suspend.h>
#include <asm/uaccess.h>
#include <linux/suspend.h>
#include <asm/uaccess.h>
+#include <trace/events/module.h>
+
extern int max_threads;
static struct workqueue_struct *khelper_wq;
extern int max_threads;
static struct workqueue_struct *khelper_wq;
@@
-85,6
+86,10
@@
int __request_module(bool wait, const char *fmt, ...)
if (ret >= MODULE_NAME_LEN)
return -ENAMETOOLONG;
if (ret >= MODULE_NAME_LEN)
return -ENAMETOOLONG;
+ ret = security_kernel_module_request(module_name);
+ if (ret)
+ return ret;
+
/* If modprobe needs a service that is in a module, we get a recursive
* loop. Limit the number of running kmod threads to max_threads/2 or
* MAX_KMOD_CONCURRENT, whichever is the smaller. A cleaner method
/* If modprobe needs a service that is in a module, we get a recursive
* loop. Limit the number of running kmod threads to max_threads/2 or
* MAX_KMOD_CONCURRENT, whichever is the smaller. A cleaner method
@@
-109,6
+114,8
@@
int __request_module(bool wait, const char *fmt, ...)
return -ENOMEM;
}
return -ENOMEM;
}
+ trace_module_request(module_name, wait, _RET_IP_);
+
ret = call_usermodehelper(modprobe_path, argv, envp,
wait ? UMH_WAIT_PROC : UMH_WAIT_EXEC);
atomic_dec(&kmod_concurrent);
ret = call_usermodehelper(modprobe_path, argv, envp,
wait ? UMH_WAIT_PROC : UMH_WAIT_EXEC);
atomic_dec(&kmod_concurrent);
@@
-463,6
+470,7
@@
int call_usermodehelper_exec(struct subprocess_info *sub_info,
int retval = 0;
BUG_ON(atomic_read(&sub_info->cred->usage) != 1);
int retval = 0;
BUG_ON(atomic_read(&sub_info->cred->usage) != 1);
+ validate_creds(sub_info->cred);
helper_lock();
if (sub_info->path[0] == '\0')
helper_lock();
if (sub_info->path[0] == '\0')
@@
-512,13
+520,15
@@
int call_usermodehelper_pipe(char *path, char **argv, char **envp,
return -ENOMEM;
ret = call_usermodehelper_stdinpipe(sub_info, filp);
return -ENOMEM;
ret = call_usermodehelper_stdinpipe(sub_info, filp);
- if (ret < 0)
- goto out;
+ if (ret < 0) {
+ call_usermodehelper_freeinfo(sub_info);
+ return ret;
+ }
- return call_usermodehelper_exec(sub_info, UMH_WAIT_EXEC);
+ ret = call_usermodehelper_exec(sub_info, UMH_WAIT_EXEC);
+ if (ret < 0) /* Failed to execute helper, close pipe */
+ filp_close(*filp, NULL);
- out:
- call_usermodehelper_freeinfo(sub_info);
return ret;
}
EXPORT_SYMBOL(call_usermodehelper_pipe);
return ret;
}
EXPORT_SYMBOL(call_usermodehelper_pipe);