lkml.org 
[lkml]   [2008]   [Jul]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[RFC 03/11] rework try_then_request_module to do less in non-modular kernels
This reworks try_then_request_module to only invoke the "lookup"
function "x" once when the kernel is not modular.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
---
include/linux/kmod.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- everything.orig/include/linux/kmod.h 2008-07-08 18:46:21.000000000 +0200
+++ everything/include/linux/kmod.h 2008-07-08 18:48:34.000000000 +0200
@@ -29,11 +29,12 @@
/* modprobe exit status on success, -ve on error. Return value
* usually useless though. */
extern int request_module(const char * name, ...) __attribute__ ((format (printf, 1, 2)));
+#define try_then_request_module(x, mod...) ((x) ?: (request_module(mod), (x)))
#else
static inline int request_module(const char * name, ...) { return -ENOSYS; }
+#define try_then_request_module(x, mod...) (x)
#endif

-#define try_then_request_module(x, mod...) ((x) ?: (request_module(mod), (x)))

struct key;
struct file;
--



\
 
 \ /
  Last update: 2008-07-08 19:15    [W:0.099 / U:4.104 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site