blktrace: remove unused variable

sp was being incremented w/o initialization, but thankfully
not used otherwise.  Just remove it.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/blktrace.c b/blktrace.c
index 228838a..563f908 100644
--- a/blktrace.c
+++ b/blktrace.c
@@ -1728,11 +1728,10 @@ static int handle_pfds_netclient(struct tracer *tp, int nevs, int force_read)
 {
 	struct stat sb;
 	int i, nentries = 0;
-	struct pdc_stats *sp;
 	struct pollfd *pfd = tp->pfds;
 	struct io_info *iop = tp->ios;
 
-	for (i = 0; i < ndevs; i++, pfd++, iop++, sp++) {
+	for (i = 0; i < ndevs; i++, pfd++, iop++) {
 		if (pfd->revents & POLLIN || force_read) {
 			if (fstat(iop->ifd, &sb) < 0) {
 				perror(iop->ifn);