[PATCH 2/3] kmod: Use argv_split(), passing module as extra param

[Lucas De Marchi]

Now that argv_split() leaves room for extra parameter, make
call_modprobe() use it.

Signed-off-by: Lucas De Marchi <lucas.de.mar...@gmail.com>
---
 kernel/kmod.c | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/kernel/kmod.c b/kernel/kmod.c
index 166aff5..70df90b 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -67,12 +67,12 @@ static DECLARE_RWSEM(umhelper_sem);
 /*
        modprobe_path is set via /proc/sys.
 */
-char modprobe_path[KMOD_PATH_LEN] = "/sbin/modprobe";
+char modprobe_path[KMOD_PATH_LEN] = "/sbin/modprobe -q --";
 
 static void free_modprobe_argv(struct subprocess_info *info)
 {
        kfree(info->argv[3]); /* check call_modprobe() */
-       kfree(info->argv);
+       argv_free(info->argv);
 }
 
 static int call_modprobe(char *module_name, int wait)
@@ -84,8 +84,10 @@ static int call_modprobe(char *module_name, int wait)
                "PATH=/sbin:/usr/sbin:/bin:/usr/bin",
                NULL
        };
+       int argc;
+       char **argv;
 
-       char **argv = kmalloc(sizeof(char *[5]), GFP_KERNEL);
+       argv = argv_split(GFP_KERNEL, modprobe_path, &argc, 1);
        if (!argv)
                goto out;
 
@@ -93,13 +95,8 @@ static int call_modprobe(char *module_name, int wait)
        if (!module_name)
                goto free_argv;
 
-       argv[0] = modprobe_path;
-       argv[1] = "-q";
-       argv[2] = "--";
-       argv[3] = module_name;  /* check free_modprobe_argv() */
-       argv[4] = NULL;
-
-       info = call_usermodehelper_setup(modprobe_path, argv, envp, GFP_KERNEL,
+       argv[argc] = module_name;       /* check free_modprobe_argv() */
+       info = call_usermodehelper_setup(argv[0], argv, envp, GFP_KERNEL,
                                         NULL, free_modprobe_argv, NULL);
        if (!info)
                goto free_module_name;
@@ -109,7 +106,7 @@ static int call_modprobe(char *module_name, int wait)
 free_module_name:
        kfree(module_name);
 free_argv:
-       kfree(argv);
+       argv_free(argv);
 out:
        return -ENOMEM;
 }
-- 
1.8.2.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/