diff options
| -rw-r--r-- | drivers/video/fbdev/core/fb_cmdline.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/video/fbdev/core/fb_cmdline.c b/drivers/video/fbdev/core/fb_cmdline.c index 6792010d6716..702b00b71870 100644 --- a/drivers/video/fbdev/core/fb_cmdline.c +++ b/drivers/video/fbdev/core/fb_cmdline.c @@ -30,13 +30,17 @@ EXPORT_SYMBOL_GPL(fb_mode_option); * (video=<name>:<options>) * @option: the option will be stored here * + * The caller owns the string returned in @option and is + * responsible for releasing the memory. + * * NOTE: Needed to maintain backwards compatibility */ int fb_get_options(const char *name, char **option) { - char *opt, *options = NULL; + const char *options = NULL; int retval = 0; int name_len = strlen(name), i; + char *opt; if (name_len && ofonly && strncmp(name, "offb", 4)) retval = 1; @@ -55,12 +59,16 @@ int fb_get_options(const char *name, char **option) } /* No match, pass global option */ if (!options && option && fb_mode_option) - options = kstrdup(fb_mode_option, GFP_KERNEL); + options = fb_mode_option; if (options && !strncmp(options, "off", 3)) retval = 1; - if (option) - *option = options; + if (option) { + if (options) + *option = kstrdup(options, GFP_KERNEL); + else + *option = NULL; + } return retval; } |