net: pktgen: remove some superfluous variable initializing

Remove some superfluous variable initializing before hex32_arg call (as the
same init is done here already).

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

net/core/pktgen.c

@@ -1785,7 +1785,7 @@ static ssize_t pktgen_if_write(struct file *file,
 	}
 
 	if (!strcmp(name, "tos")) {
-		__u32 tmp_value = 0;
+		__u32 tmp_value;
 		len = hex32_arg(&user_buffer[i], 2, &tmp_value);
 		if (len < 0)
 			return len;
@@ -1801,7 +1801,7 @@ static ssize_t pktgen_if_write(struct file *file,
 	}
 
 	if (!strcmp(name, "traffic_class")) {
-		__u32 tmp_value = 0;
+		__u32 tmp_value;
 		len = hex32_arg(&user_buffer[i], 2, &tmp_value);
 		if (len < 0)
 			return len;