* [PATCH net-next] pktgen: Fix unsigned function that is returning negative vals
@ 2012-01-20 1:40 Paul Gortmaker
2012-01-22 19:24 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Paul Gortmaker @ 2012-01-20 1:40 UTC (permalink / raw)
To: davem; +Cc: netdev, Paul Gortmaker
Every call to num_args() immediately checks the return value for
less than zero, as it will return -EFAULT for a failed get_user()
call. So it makes no sense for the function to be declared as an
unsigned long.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 65f80c7..4d8ce93 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -767,8 +767,8 @@ done:
return i;
}
-static unsigned long num_arg(const char __user * user_buffer,
- unsigned long maxlen, unsigned long *num)
+static long num_arg(const char __user *user_buffer, unsigned long maxlen,
+ unsigned long *num)
{
int i;
*num = 0;
--
1.7.7.2
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2012-01-20 1:40 [PATCH net-next] pktgen: Fix unsigned function that is returning negative vals Paul Gortmaker
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