[PATCH 03/11] fbdev: Support NULL for name in option-string lookup

Thomas Zimmermann tzimmermann at suse.de
Thu Feb 9 13:55:01 UTC 2023


Ignore the per-driver video options if no driver name has been
specified to fb_get_option(). Return the global options in this
case.

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
---
 drivers/video/fbdev/core/fb_cmdline.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/core/fb_cmdline.c b/drivers/video/fbdev/core/fb_cmdline.c
index 702b00b71870..cc8a88e8f308 100644
--- a/drivers/video/fbdev/core/fb_cmdline.c
+++ b/drivers/video/fbdev/core/fb_cmdline.c
@@ -39,13 +39,18 @@ int fb_get_options(const char *name, char **option)
 {
 	const char *options = NULL;
 	int retval = 0;
-	int name_len = strlen(name), i;
+	size_t name_len;
 	char *opt;
 
+	if (name)
+		name_len = strlen(name);
+
 	if (name_len && ofonly && strncmp(name, "offb", 4))
 		retval = 1;
 
 	if (name_len && !retval) {
+		unsigned int i;
+
 		for (i = 0; i < FB_MAX; i++) {
 			if (video_options[i] == NULL)
 				continue;
-- 
2.39.1



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