V4L/DVB (5090): Pvrusb2: A patch to use ARRAY_SIZE macro when appropriate
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/pvrusb2/pvrusb2-encoder.c b/drivers/media/video/pvrusb2/pvrusb2-encoder.c
index 3ec8093..f2ac123 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-encoder.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-encoder.c
@@ -169,25 +169,23 @@
*/
- if (arg_cnt_send > (sizeof(wrData)/sizeof(wrData[0]))-4) {
+ if (arg_cnt_send > (ARRAY_SIZE(wrData) - 4)) {
pvr2_trace(
PVR2_TRACE_ERROR_LEGS,
"Failed to write cx23416 command"
" - too many input arguments"
" (was given %u limit %u)",
- arg_cnt_send,
- (unsigned int)(sizeof(wrData)/sizeof(wrData[0])) - 4);
+ arg_cnt_send, ARRAY_SIZE(wrData) - 4);
return -EINVAL;
}
- if (arg_cnt_recv > (sizeof(rdData)/sizeof(rdData[0]))-4) {
+ if (arg_cnt_recv > (ARRAY_SIZE(rdData) - 4)) {
pvr2_trace(
PVR2_TRACE_ERROR_LEGS,
"Failed to write cx23416 command"
" - too many return arguments"
" (was given %u limit %u)",
- arg_cnt_recv,
- (unsigned int)(sizeof(rdData)/sizeof(rdData[0])) - 4);
+ arg_cnt_recv, ARRAY_SIZE(rdData) - 4);
return -EINVAL;
}
@@ -201,7 +199,7 @@
for (idx = 0; idx < arg_cnt_send; idx++) {
wrData[idx+4] = argp[idx];
}
- for (; idx < (sizeof(wrData)/sizeof(wrData[0]))-4; idx++) {
+ for (; idx < ARRAY_SIZE(wrData) - 4; idx++) {
wrData[idx+4] = 0;
}
@@ -245,8 +243,7 @@
if (ret) break;
wrData[0] = 0x7;
ret = pvr2_encoder_read_words(
- hdw,0,rdData,
- sizeof(rdData)/sizeof(rdData[0]));
+ hdw,0,rdData, ARRAY_SIZE(rdData));
if (ret) break;
for (idx = 0; idx < arg_cnt_recv; idx++) {
argp[idx] = rdData[idx+4];
@@ -269,13 +266,13 @@
unsigned int idx;
u32 data[12];
- if (args > sizeof(data)/sizeof(data[0])) {
+ if (args > ARRAY_SIZE(data)) {
pvr2_trace(
PVR2_TRACE_ERROR_LEGS,
"Failed to write cx23416 command"
" - too many arguments"
" (was given %u limit %u)",
- args,(unsigned int)(sizeof(data)/sizeof(data[0])));
+ args, ARRAY_SIZE(data));
return -EINVAL;
}