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Subject[PATCH] removes unused variable from kernel/sysctl.h
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This patch removes the unused variable 'val' from the
__do_proc_dointvec() function
in kernel/sysctl.h. The integer has been declared and used as 'val =
-val' and there is
no reference to it anywhere.
Although I am this doesn't affects the kernel binary because gcc
removes it, still it
might be confusing for people reading the code.


Signed-off-by: Sukanto Ghosh <sukanto.cse.iitb@gmail.com>

----

--- linux-2.6.29.1/kernel/sysctl.c.orig 2009-04-16 19:57:21.000000000 +0530
+++ linux-2.6.29.1/kernel/sysctl.c 2009-04-16 19:58:26.000000000 +0530
@@ -2198,7 +2198,7 @@ static int __do_proc_dointvec(void *tbl_
void *data)
{
#define TMPBUFLEN 21
- int *i, vleft, first=1, neg, val;
+ int *i, vleft, first=1, neg;
unsigned long lval;
size_t left, len;

@@ -2251,8 +2251,6 @@ static int __do_proc_dointvec(void *tbl_
len = p-buf;
if ((len < left) && *p && !isspace(*p))
break;
- if (neg)
- val = -val;
s += len;
left -= len;

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