On Thu, 9 Aug 2007 14:04:49 +0100
Andy Whitcroft <[email protected]> wrote:
> Seeing the following compile error on a G5 mac:
>
> drivers/video/tdfxfb.c: In function 'tdfxfb_setup':
> drivers/video/tdfxfb.c:1341: error: 'opt' undeclared (first use in this
> function)
> drivers/video/tdfxfb.c:1341: error: (Each undeclared identifier is
> reported only once
> drivers/video/tdfxfb.c:1341: error: for each function it appears in.)
>
> This seems to be the following fragment from tdfxfb-hardware-cursor:
>
> + } else if (!strcmp(this_opt, "hwcursor")) {
> + hwcursor = simple_strtoul(opt + 9, NULL, 0);
>
> I guess the nieve fix would be s/opt/this_opt, but I am also
> suspicious of the +9 here as hwcursor is only 8 long? Now this
> seems to take a numeric value and I assume that is via hwcursor=N,
> if so then the +9 would make sense _if_ the strcmp was against
> "hwcursor=".
>
The patch below fixes all issues you have pointed out. It also fixes
the description of the nomtrr option.
---
From: Krzysztof Helt <[email protected]>
This patch fixes compilation with setup options bug and corrects
description of the nomtrr option.
Signed-off-by: Krzysztof Helt <[email protected]>
---
--- linux-2.6.22.new/drivers/video/tdfxfb.c 2007-08-09 16:11:23.870028259 +0200
+++ linux-2.6.23/drivers/video/tdfxfb.c 2007-08-09 16:15:07.654781024 +0200
@@ -1337,8 +1337,8 @@ static void tdfxfb_setup(char *options)
nopan = 1;
} else if (!strcmp(this_opt, "nowrap")) {
nowrap = 1;
- } else if (!strcmp(this_opt, "hwcursor")) {
- hwcursor = simple_strtoul(opt + 9, NULL, 0);
+ } else if (!strncmp(this_opt, "hwcursor=", 9)) {
+ hwcursor = simple_strtoul(this_opt + 9, NULL, 0);
#ifdef CONFIG_MTRR
} else if (!strncmp(this_opt, "nomtrr", 6)) {
nomtrr = 1;
@@ -1409,7 +1409,7 @@ MODULE_PARM_DESC(hwcursor, "Enable hardw
"(1=enable, 0=disable, default=1)");
#ifdef CONFIG_MTRR
module_param(nomtrr, bool, 0);
-MODULE_PARM_DESC(nomtrr, "Disable MTRR support (0 or 1=disabled) (default=0)");
+MODULE_PARM_DESC(nomtrr, "Disable MTRR support (default: enabled)");
#endif
module_init(tdfxfb_init);
-
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