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Subject[PATCH] compiler warnings in framebuffer drivers
Hi,

this patch removes all those compiler warnings that were introduced with
the anti-strtok patch some time ago. It's against kernel 2.4.15-pre4. I
sent you similar ones but it seems they got lost. Which makes me
suspicious: is there something wrong with this patch that prevents it
from being applied?

OK, additionally to adding some parentheses this patch corrects a minor
issue by inserting code like this at appropriate places:

+ if (!*this_opt)
+ continue;

This lets the parameter parsing code skip over empty tokens, just like
strtok did implicitely. It's purely cosmetic - I'd send you a patch
without this 'feature', if you like.

Patch is untested, but at least it compiles. Please, apply.

René



diff -Nur linux-2.4.15-pre4/drivers/video/acornfb.c linux-2.4.15-pre4-rs/drivers/video/acornfb.c
--- linux-2.4.15-pre4/drivers/video/acornfb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/acornfb.c Wed Nov 14 23:36:10 2001
@@ -1528,7 +1528,7 @@

acornfb_init_fbinfo();

- while (opt = strsep(&options, ",")) {
+ while ((opt = strsep(&options, ",")) != NULL) {
if (!*opt)
continue;

diff -Nur linux-2.4.15-pre4/drivers/video/amifb.c linux-2.4.15-pre4-rs/drivers/video/amifb.c
--- linux-2.4.15-pre4/drivers/video/amifb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/amifb.c Wed Nov 14 23:36:10 2001
@@ -1192,7 +1192,9 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
+ if (!*this_opt)
+ continue;
if (!strcmp(this_opt, "inverse")) {
amifb_inverse = 1;
fb_invert_cmaps();
diff -Nur linux-2.4.15-pre4/drivers/video/controlfb.c linux-2.4.15-pre4-rs/drivers/video/controlfb.c
--- linux-2.4.15-pre4/drivers/video/controlfb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/controlfb.c Wed Nov 14 23:36:11 2001
@@ -1423,7 +1423,7 @@
if (!options || !*options)
return;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
if (!strncmp(this_opt, "font:", 5)) {
char *p;
int i;
diff -Nur linux-2.4.15-pre4/drivers/video/cyberfb.c linux-2.4.15-pre4-rs/drivers/video/cyberfb.c
--- linux-2.4.15-pre4/drivers/video/cyberfb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/cyberfb.c Wed Nov 14 23:36:11 2001
@@ -1022,7 +1022,9 @@
return 0;
}

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
+ if (!*this_opt)
+ continue;
if (!strcmp(this_opt, "inverse")) {
Cyberfb_inverse = 1;
fb_invert_cmaps();
diff -Nur linux-2.4.15-pre4/drivers/video/fm2fb.c linux-2.4.15-pre4-rs/drivers/video/fm2fb.c
--- linux-2.4.15-pre4/drivers/video/fm2fb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/fm2fb.c Wed Nov 14 23:36:11 2001
@@ -430,7 +430,7 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
if (!strncmp(this_opt, "pal", 3))
fm2fb_mode = FM2FB_MODE_PAL;
else if (!strncmp(this_opt, "ntsc", 4))
diff -Nur linux-2.4.15-pre4/drivers/video/igafb.c linux-2.4.15-pre4-rs/drivers/video/igafb.c
--- linux-2.4.15-pre4/drivers/video/igafb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/igafb.c Wed Nov 14 23:36:11 2001
@@ -773,7 +773,7 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
if (!strncmp(this_opt, "font:", 5)) {
char *p;
int i;
diff -Nur linux-2.4.15-pre4/drivers/video/imsttfb.c linux-2.4.15-pre4-rs/drivers/video/imsttfb.c
--- linux-2.4.15-pre4/drivers/video/imsttfb.c Wed Nov 14 23:34:11 2001
+++ linux-2.4.15-pre4-rs/drivers/video/imsttfb.c Wed Nov 14 23:36:11 2001
@@ -1977,7 +1977,7 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
if (!strncmp(this_opt, "font:", 5)) {
char *p;
int i;
diff -Nur linux-2.4.15-pre4/drivers/video/macfb.c linux-2.4.15-pre4-rs/drivers/video/macfb.c
--- linux-2.4.15-pre4/drivers/video/macfb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/macfb.c Wed Nov 14 23:36:11 2001
@@ -848,7 +848,7 @@
if (!options || !*options)
return;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt) continue;

if (! strcmp(this_opt, "inverse"))
diff -Nur linux-2.4.15-pre4/drivers/video/matrox/matroxfb_base.c linux-2.4.15-pre4-rs/drivers/video/matrox/matroxfb_base.c
--- linux-2.4.15-pre4/drivers/video/matrox/matroxfb_base.c Wed Nov 14 23:34:11 2001
+++ linux-2.4.15-pre4-rs/drivers/video/matrox/matroxfb_base.c Wed Nov 14 23:36:11 2001
@@ -2372,7 +2372,7 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt) continue;

dprintk("matroxfb_setup: option %s\n", this_opt);
diff -Nur linux-2.4.15-pre4/drivers/video/platinumfb.c linux-2.4.15-pre4-rs/drivers/video/platinumfb.c
--- linux-2.4.15-pre4/drivers/video/platinumfb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/platinumfb.c Wed Nov 14 23:36:11 2001
@@ -841,7 +841,7 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
if (!strncmp(this_opt, "font:", 5)) {
char *p;
int i;
diff -Nur linux-2.4.15-pre4/drivers/video/radeonfb.c linux-2.4.15-pre4-rs/drivers/video/radeonfb.c
--- linux-2.4.15-pre4/drivers/video/radeonfb.c Wed Nov 14 23:34:11 2001
+++ linux-2.4.15-pre4-rs/drivers/video/radeonfb.c Wed Nov 14 23:36:11 2001
@@ -642,7 +642,9 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep (&options, ",")) {
+ while ((this_opt = strsep (&options, ",")) != NULL) {
+ if (!*this_opt)
+ continue;
if (!strncmp (this_opt, "font:", 5)) {
char *p;
int i;
diff -Nur linux-2.4.15-pre4/drivers/video/retz3fb.c linux-2.4.15-pre4-rs/drivers/video/retz3fb.c
--- linux-2.4.15-pre4/drivers/video/retz3fb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/retz3fb.c Wed Nov 14 23:36:11 2001
@@ -1348,7 +1348,9 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
+ if (!*this_opt)
+ continue;
if (!strcmp(this_opt, "inverse")) {
z3fb_inverse = 1;
fb_invert_cmaps();
diff -Nur linux-2.4.15-pre4/drivers/video/riva/fbdev.c linux-2.4.15-pre4-rs/drivers/video/riva/fbdev.c
--- linux-2.4.15-pre4/drivers/video/riva/fbdev.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/riva/fbdev.c Wed Nov 14 23:36:11 2001
@@ -2045,7 +2045,9 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
+ if (!*this_opt)
+ continue;
if (!strncmp(this_opt, "font:", 5)) {
char *p;
int i;
diff -Nur linux-2.4.15-pre4/drivers/video/sa1100fb.c linux-2.4.15-pre4-rs/drivers/video/sa1100fb.c
--- linux-2.4.15-pre4/drivers/video/sa1100fb.c Thu Nov 8 22:51:16 2001
+++ linux-2.4.15-pre4-rs/drivers/video/sa1100fb.c Wed Nov 14 23:36:11 2001
@@ -2369,7 +2369,7 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {

if (!strncmp(this_opt, "bpp:", 4))
current_par.max_bpp =
diff -Nur linux-2.4.15-pre4/drivers/video/sgivwfb.c linux-2.4.15-pre4-rs/drivers/video/sgivwfb.c
--- linux-2.4.15-pre4/drivers/video/sgivwfb.c Wed Nov 14 23:34:11 2001
+++ linux-2.4.15-pre4-rs/drivers/video/sgivwfb.c Wed Nov 14 23:36:11 2001
@@ -863,7 +863,7 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
if (!strncmp(this_opt, "font:", 5))
strcpy(fb_info.fontname, this_opt+5);
}
diff -Nur linux-2.4.15-pre4/drivers/video/sstfb.c linux-2.4.15-pre4-rs/drivers/video/sstfb.c
--- linux-2.4.15-pre4/drivers/video/sstfb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/sstfb.c Wed Nov 14 23:36:11 2001
@@ -1697,7 +1697,7 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt) continue;

f_ddprintk("option %s\n", this_opt);
diff -Nur linux-2.4.15-pre4/drivers/video/tdfxfb.c linux-2.4.15-pre4-rs/drivers/video/tdfxfb.c
--- linux-2.4.15-pre4/drivers/video/tdfxfb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/tdfxfb.c Wed Nov 14 23:36:11 2001
@@ -2086,7 +2086,9 @@
if(!options || !*options)
return;

- while(this_opt = strsep(&options, ",")) {
+ while((this_opt = strsep(&options, ",")) != NULL) {
+ if(!*this_opt)
+ continue;
if(!strcmp(this_opt, "inverse")) {
inverse = 1;
fb_invert_cmaps();
diff -Nur linux-2.4.15-pre4/drivers/video/tgafb.c linux-2.4.15-pre4-rs/drivers/video/tgafb.c
--- linux-2.4.15-pre4/drivers/video/tgafb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/tgafb.c Wed Nov 14 23:36:11 2001
@@ -889,7 +889,7 @@
int i;

if (options && *options) {
- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt) { continue; }

if (!strncmp(this_opt, "font:", 5)) {
diff -Nur linux-2.4.15-pre4/drivers/video/valkyriefb.c linux-2.4.15-pre4-rs/drivers/video/valkyriefb.c
--- linux-2.4.15-pre4/drivers/video/valkyriefb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/valkyriefb.c Wed Nov 14 23:36:11 2001
@@ -801,7 +801,7 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
if (!strncmp(this_opt, "font:", 5)) {
char *p;
int i;
diff -Nur linux-2.4.15-pre4/drivers/video/vesafb.c linux-2.4.15-pre4-rs/drivers/video/vesafb.c
--- linux-2.4.15-pre4/drivers/video/vesafb.c Wed Nov 14 23:34:12 2001
+++ linux-2.4.15-pre4-rs/drivers/video/vesafb.c Wed Nov 14 23:36:11 2001
@@ -457,7 +457,7 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt) continue;

if (! strcmp(this_opt, "inverse"))
diff -Nur linux-2.4.15-pre4/drivers/video/vfb.c linux-2.4.15-pre4-rs/drivers/video/vfb.c
--- linux-2.4.15-pre4/drivers/video/vfb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/vfb.c Wed Nov 14 23:36:11 2001
@@ -382,7 +382,7 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
if (!strncmp(this_opt, "font:", 5))
strcpy(fb_info.fontname, this_opt+5);
}
diff -Nur linux-2.4.15-pre4/drivers/video/vga16fb.c linux-2.4.15-pre4-rs/drivers/video/vga16fb.c
--- linux-2.4.15-pre4/drivers/video/vga16fb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/vga16fb.c Wed Nov 14 23:36:11 2001
@@ -692,7 +692,7 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt) continue;

if (!strncmp(this_opt, "font:", 5))
diff -Nur linux-2.4.15-pre4/drivers/video/virgefb.c linux-2.4.15-pre4-rs/drivers/video/virgefb.c
--- linux-2.4.15-pre4/drivers/video/virgefb.c Fri Oct 26 23:07:21 2001
+++ linux-2.4.15-pre4-rs/drivers/video/virgefb.c Wed Nov 14 23:36:11 2001
@@ -1085,7 +1085,9 @@
if (!options || !*options)
return 0;

- while (this_opt = strsep(&options, ",")) {
+ while ((this_opt = strsep(&options, ",")) != NULL) {
+ if (!*this_opt)
+ continue;
if (!strcmp(this_opt, "inverse")) {
Cyberfb_inverse = 1;
fb_invert_cmaps();
-
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