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/intelfb/intelfbdrv.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/video/fbdev/intelfb/intelfbdrv.c b/drivers/video/fbdev/intelfb/intelfbdrv.c
index 8368c3601cdb..43d677897392 100644
--- a/drivers/video/fbdev/intelfb/intelfbdrv.c
+++ b/drivers/video/fbdev/intelfb/intelfbdrv.c
@@ -108,6 +108,7 @@
*/
#include <linux/aperture.h>
+#include <linux/cmdline.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
@@ -324,8 +325,9 @@ static __inline__ int get_opt_bool(const char *this_opt, const char *name,
return 1;
}
-static int __init intelfb_setup(char *options)
+static int __init intelfb_setup(const char *options)
{
+ struct option_iter iter;
char *this_opt;
DBG_MSG("intelfb_setup\n");
@@ -349,9 +351,9 @@ static int __init intelfb_setup(char *options)
* video=intelfb:1024x768-16@75,accel=0
*/
- while ((this_opt = strsep(&options, ","))) {
- if (!*this_opt)
- continue;
+ option_iter_init(&iter, options);
+
+ while (option_iter_next(&iter, &this_opt)) {
if (get_opt_bool(this_opt, "accel", &accel))
;
else if (get_opt_int(this_opt, "vram", &vram))
@@ -373,6 +375,8 @@ static int __init intelfb_setup(char *options)
}
}
+ option_iter_release(&iter);
+
return 0;
}
--
2.39.2
