drivers/video/fbmem.c: simplify strlen()==0 check in fb_get_options()

Replaced !strlen(str) check with !str[0].  Removed the variable which was
used solely to store strlen result.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 731fce6..a8500c6 100644 (file)
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1786,7 +1786,7 @@ static int ofonly __read_mostly;
 int fb_get_options(char *name, char **option)
 {
        char *opt, *options = NULL;
-       int opt_len, retval = 0;
+       int retval = 0;
        int name_len = strlen(name), i;
 
        if (name_len && ofonly && strncmp(name, "offb", 4))
@@ -1796,8 +1796,7 @@ int fb_get_options(char *name, char **option)
                for (i = 0; i < FB_MAX; i++) {
                        if (video_options[i] == NULL)
                                continue;
-                       opt_len = strlen(video_options[i]);
-                       if (!opt_len)
+                       if (!video_options[i][0])
                                continue;
                        opt = video_options[i];
                        if (!strncmp(name, opt, name_len) &&