Use struct option_iter to walk over the individual options in the
driver's option string. Replaces the hand-written strsep() loop with
a clean interface. The helpers for struct option_iter handle empty
option strings and empty options transparently. The struct's _init
and _release functions duplicate and release the option string's
memory buffer as needed.
Done in preparation of constifying the option string.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
drivers/video/fbdev/platinumfb.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/video/fbdev/platinumfb.c b/drivers/video/fbdev/platinumfb.c
index c7172174c1b7..33bf75309815 100644
--- a/drivers/video/fbdev/platinumfb.c
+++ b/drivers/video/fbdev/platinumfb.c
@@ -19,6 +19,7 @@
#undef DEBUG
+#include <linux/cmdline.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
@@ -486,14 +487,14 @@ static int platinum_var_to_par(struct fb_var_screeninfo *var,
/*
* Parse user specified options (`video=platinumfb:')
*/
-static int __init platinumfb_setup(char *options)
+static int __init platinumfb_setup(const char *options)
{
+ struct option_iter iter;
char *this_opt;
- if (!options || !*options)
- return 0;
+ option_iter_init(&iter, options);
- while ((this_opt = strsep(&options, ",")) != NULL) {
+ while (option_iter_next(&iter, &this_opt)) {
if (!strncmp(this_opt, "vmode:", 6)) {
int vmode = simple_strtoul(this_opt+6, NULL, 0);
if (vmode > 0 && vmode <= VMODE_MAX)
@@ -516,6 +517,9 @@ static int __init platinumfb_setup(char *options)
}
}
}
+
+ option_iter_release(&iter);
+
return 0;
}
--
2.39.2
