[PATCH 81/99] fbdev/tdfxfb: Parse option string with struct option_iter
From: Thomas Zimmermann <tzimmermann@suse.de>
Date: 2023-03-06 16:05:47
Also in:
dri-devel, lkml
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
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@suse.de> --- 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