[PATCH WIP 6/6] media: vidtv: psi: fix missing assignments in while loops

Daniel W. S. Almeida
2020-09-29T03:26:59Z

Some variables were only assigned once but were used in while
loops as if they had been updated at every iteration. Fix this.

Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
---
drivers/media/test-drivers/vidtv/vidtv_psi.c | 22 +++++++++-----------
1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/media/test-drivers/vidtv/vidtv_psi.c b/drivers/media/test-drivers/vidtv/vidtv_psi.c
index 2cf103057b19..ddbffea4c353 100644
--- a/drivers/media/test-drivers/vidtv/vidtv_psi.c
+++ b/drivers/media/test-drivers/vidtv/vidtv_psi.c
@@ -1191,9 +1191,7 @@ u32 vidtv_psi_pmt_write_into(struct vidtv_psi_pmt_write_args args)

struct vidtv_psi_desc *table_descriptor = args.pmt->descriptor;
struct vidtv_psi_table_pmt_stream *stream = args.pmt->stream;
- struct vidtv_psi_desc *stream_descriptor = (stream) ?
- args.pmt->stream->descriptor :
- NULL;
+ struct vidtv_psi_desc *stream_descriptor;

struct header_write_args h_args = {};
struct psi_write_args psi_args = {};
@@ -1253,6 +1251,8 @@ u32 vidtv_psi_pmt_write_into(struct vidtv_psi_pmt_write_args args)

nbytes += vidtv_psi_ts_psi_write_into(psi_args);

+ stream_descriptor = stream->descriptor;
+
while (stream_descriptor) {
/* write the stream descriptors, if any */
d_args.dest_buf = args.buf;
@@ -1343,9 +1343,7 @@ u32 vidtv_psi_sdt_write_into(struct vidtv_psi_sdt_write_args args)
u32 crc = INITIAL_CRC;

struct vidtv_psi_table_sdt_service *service = args.sdt->service;
- struct vidtv_psi_desc *service_desc = (args.sdt->service) ?
- args.sdt->service->descriptor :
- NULL;
+ struct vidtv_psi_desc *service_desc;

struct header_write_args h_args = {};
struct psi_write_args psi_args = {};
@@ -1392,6 +1390,8 @@ u32 vidtv_psi_sdt_write_into(struct vidtv_psi_sdt_write_args args)

nbytes += vidtv_psi_ts_psi_write_into(psi_args);

+ service_desc = service->descriptor;
+
while (service_desc) {
/* copy the service descriptors, if any */
d_args.dest_buf = args.buf;
@@ -1639,9 +1639,7 @@ u32 vidtv_psi_nit_write_into(struct vidtv_psi_nit_write_args args)

struct vidtv_psi_desc *table_descriptor = args.nit->descriptor;
struct vidtv_psi_table_transport *transport = args.nit->transport;
- struct vidtv_psi_desc *transport_descriptor = (transport) ?
- args.nit->transport->descriptor :
- NULL;
+ struct vidtv_psi_desc *transport_descriptor;

struct header_write_args h_args = {};
struct psi_write_args psi_args = {};
@@ -1709,6 +1707,8 @@ u32 vidtv_psi_nit_write_into(struct vidtv_psi_nit_write_args args)

nbytes += vidtv_psi_ts_psi_write_into(psi_args);

+ transport_descriptor = transport->descriptor;
+
while (transport_descriptor) {
/* write the transport descriptors, if any */
d_args.dest_buf = args.buf;
@@ -1846,9 +1846,7 @@ u32 vidtv_psi_eit_write_into(struct vidtv_psi_eit_write_args args)
u32 crc = INITIAL_CRC;

struct vidtv_psi_table_eit_event *event = args.eit->event;
- struct vidtv_psi_desc *event_descriptor = (args.eit->event) ?
- args.eit->event->descriptor :
- NULL;
+ struct vidtv_psi_desc *event_descriptor;

struct header_write_args h_args = {};
struct psi_write_args psi_args = {};
--
2.28.0