Re: [PATCH 5/6]kernel:module.c variable 'nowarn' set but not used

From: Justin P. Mattock
Date: Fri Jun 11 2010 - 18:06:44 EST

On 06/11/2010 02:17 PM, Geert Uytterhoeven wrote:
On Fri, Jun 11, 2010 at 22:41, Justin P. Mattock
<justinmattock@xxxxxxxxx> wrote:
The below patch fixes a warning message
reported by gcc 4.6.0.

CC kernel/module.o
kernel/module.c: In function 'add_usage_links':
kernel/module.c:1343:6: warning: variable 'nowarn' set but not used

Signed-off-by: Justin P. Mattock<justinmattock@xxxxxxxxx>

kernel/module.c | 8 ++------
1 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/kernel/module.c b/kernel/module.c
index 8c6b428..a71027a 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1340,13 +1340,9 @@ static void add_usage_links(struct module *mod)
struct module_use *use;
- int nowarn;
- list_for_each_entry(use,&mod->target_list, target_list) {
- nowarn = sysfs_create_link(use->target->holders_dir,
-&mod->mkobj.kobj, mod->name);
- }
+ list_for_each_entry(use,&mod->target_list, target_list);

Also wrong, you removed the creation of the links in sysfs.

that's not good..

The assignment to nowarn was there to avoid another compiler warning,
as sysfs_create_link() is marked __must_check.



Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

alright.. thanks for having a look
and a response. if somebody has a fix
for this then let me know, and I can
test it out over here(I can also try
fixing this as well, but my knowledge
of code only goes so far)..

Justin P. Mattock
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