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SubjectRe: Regression in 2.6.30-rc1 since commit acae0515 - wireless broken
Date
On Wednesday 08 April 2009 14:41:06 Arjan van de Ven wrote:
> Larry Finger wrote:
> > The most recent pulls of the Linux-2.6 git tree has broken wireless. The problem
> > was bisected with commit acae05156551fd7528fbb616271e672789388e3c, entitled
> > "module: create a request_module_nowait()", indicated as the faulty change. This
> > is seen with driver b43 on my system, and 2 reports for driver iwlagn:
> > http://marc.info/?l=linux-wireless&m=123916157630571&w=2 and
> > http://marc.info/?l=linux-wireless&m=123913015021457&w=2.
> >
> > For b43, the logged error messages are:
>
> rusty... I still suspect your "int to bool" conversion stuff ;-)

One way to find out. Here's the reversion:

diff --git a/include/linux/kmod.h b/include/linux/kmod.h
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -29,12 +29,10 @@
#ifdef CONFIG_MODULES
/* modprobe exit status on success, -ve on error. Return value
* usually useless though. */
-extern int __request_module(bool wait, const char *name, ...) \
- __attribute__((format(printf, 2, 3)));
-#define request_module(mod...) __request_module(true, mod)
-#define request_module_nowait(mod...) __request_module(false, mod)
-#define try_then_request_module(x, mod...) \
- ((x) ?: (__request_module(false, mod), (x)))
+extern int __request_module(int wait, const char *name, ...) __attribute__ ((format (printf, 2, 3)));
+#define request_module(mod...) __request_module(1, mod)
+#define request_module_nowait(mod...) __request_module(0, mod)
+#define try_then_request_module(x, mod...) ((x) ?: (__request_module(0, mod), (x)))
#else
static inline int request_module(const char *name, ...) { return -ENOSYS; }
static inline int request_module_nowait(const char *name, ...) { return -ENOSYS; }
diff --git a/kernel/kmod.c b/kernel/kmod.c
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -64,7 +64,8 @@ char modprobe_path[KMOD_PATH_LEN] = "/sb
* If module auto-loading support is disabled then this function
* becomes a no-operation.
*/
-int __request_module(bool wait, const char *fmt, ...)
+
+int __request_module(int wait, const char *fmt, ...)
{
va_list args;
char module_name[MODULE_NAME_LEN];

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