Messages in this thread | | | Date | Tue, 28 Feb 2012 11:27:03 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH] Trace: initialize variable to clear warning |
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On Tue, Feb 28, 2012 at 05:09:34PM +0800, Zhengwang Ruan wrote: > GCC warns that 'page2' is used without being initialized previously before > being used, this is to clear it. > > Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com> > --- > kernel/trace/trace.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c > index a3f1bc5..47376ba 100644 > --- a/kernel/trace/trace.c > +++ b/kernel/trace/trace.c > @@ -3694,7 +3694,7 @@ tracing_mark_write(struct file *filp, const char __user *ubuf, > int nr_pages = 1; > ssize_t written; > void *page1; > - void *page2; > + void *uninitialized_var(page2); > int offset; > int size; > int len;
We had this already - gcc 4.5 warns incorrectly about this, you should upgrade to 4.6: http://marc.info/?l=linux-kernel&m=132083844427859
-- Regards/Gruss, Boris.
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