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/tdfxfb.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c
index ed3d8491e724..54b19ce40bff 100644
--- a/drivers/video/fbdev/tdfxfb.c
+++ b/drivers/video/fbdev/tdfxfb.c
@@ -65,6 +65,7 @@
*/
#include <linux/aperture.h>
+#include <linux/cmdline.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
@@ -1570,16 +1571,14 @@ static int tdfxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
}
#ifndef MODULE
-static void __init tdfxfb_setup(char *options)
+static void __init tdfxfb_setup(const char *options)
{
- char *this_opt;
+ struct option_iter iter;
+ const char *this_opt;
- if (!options || !*options)
- return;
+ option_iter_init(&iter, options);
- while ((this_opt = strsep(&options, ",")) != NULL) {
- if (!*this_opt)
- continue;
+ while (option_iter_next(&iter, this_opt)) {
if (!strcmp(this_opt, "nopan")) {
nopan = 1;
} else if (!strcmp(this_opt, "nowrap")) {
@@ -1600,6 +1599,8 @@ static void __init tdfxfb_setup(char *options)
mode_option = mode_option_buf;
}
}
+
+ option_iter_release(&iter);
}
#endif
--
2.39.2
