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path: root/drivers/media/video/pvrusb2/pvrusb2-std.c
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Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-std.c')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-std.c32
1 files changed, 12 insertions, 20 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-std.c b/drivers/media/video/pvrusb2/pvrusb2-std.c
index f95c598ff627..81de26ba41d9 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-std.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-std.c
@@ -78,14 +78,14 @@ struct std_name {
#define CSTD_ALL (CSTD_PAL|CSTD_NTSC|CSTD_SECAM)
/* Mapping of standard bits to color system */
-const static struct std_name std_groups[] = {
+static const struct std_name std_groups[] = {
{"PAL",CSTD_PAL},
{"NTSC",CSTD_NTSC},
{"SECAM",CSTD_SECAM},
};
/* Mapping of standard bits to modulation system */
-const static struct std_name std_items[] = {
+static const struct std_name std_items[] = {
{"B",TSTD_B},
{"B1",TSTD_B1},
{"D",TSTD_D},
@@ -141,10 +141,8 @@ int pvr2_std_str_to_id(v4l2_std_id *idPtr,const char *bufPtr,
cnt = 0;
while ((cnt < bufSize) && (bufPtr[cnt] != '-')) cnt++;
if (cnt >= bufSize) return 0; // No more characters
- sp = find_std_name(
- std_groups,
- sizeof(std_groups)/sizeof(std_groups[0]),
- bufPtr,cnt);
+ sp = find_std_name(std_groups, ARRAY_SIZE(std_groups),
+ bufPtr,cnt);
if (!sp) return 0; // Illegal color system name
cnt++;
bufPtr += cnt;
@@ -163,8 +161,7 @@ int pvr2_std_str_to_id(v4l2_std_id *idPtr,const char *bufPtr,
if (ch == '/') break;
cnt++;
}
- sp = find_std_name(std_items,
- sizeof(std_items)/sizeof(std_items[0]),
+ sp = find_std_name(std_items, ARRAY_SIZE(std_items),
bufPtr,cnt);
if (!sp) return 0; // Illegal modulation system ID
t = sp->id & cmsk;
@@ -189,14 +186,10 @@ unsigned int pvr2_std_id_to_str(char *bufPtr, unsigned int bufSize,
unsigned int c1,c2;
cfl = 0;
c1 = 0;
- for (idx1 = 0;
- idx1 < sizeof(std_groups)/sizeof(std_groups[0]);
- idx1++) {
+ for (idx1 = 0; idx1 < ARRAY_SIZE(std_groups); idx1++) {
gp = std_groups + idx1;
gfl = 0;
- for (idx2 = 0;
- idx2 < sizeof(std_items)/sizeof(std_items[0]);
- idx2++) {
+ for (idx2 = 0; idx2 < ARRAY_SIZE(std_items); idx2++) {
ip = std_items + idx2;
if (!(gp->id & ip->id & id)) continue;
if (!gfl) {
@@ -279,7 +272,7 @@ static struct v4l2_standard generic_standards[] = {
}
};
-#define generic_standards_cnt (sizeof(generic_standards)/sizeof(generic_standards[0]))
+#define generic_standards_cnt ARRAY_SIZE(generic_standards)
static struct v4l2_standard *match_std(v4l2_std_id id)
{
@@ -348,7 +341,7 @@ struct v4l2_standard *pvr2_std_create_enum(unsigned int *countptr,
fmsk |= idmsk;
}
- for (idx2 = 0; idx2 < sizeof(std_mixes)/sizeof(std_mixes[0]); idx2++) {
+ for (idx2 = 0; idx2 < ARRAY_SIZE(std_mixes); idx2++) {
if ((id & std_mixes[idx2]) == std_mixes[idx2]) std_cnt++;
}
@@ -366,16 +359,15 @@ struct v4l2_standard *pvr2_std_create_enum(unsigned int *countptr,
std_cnt);
if (!std_cnt) return NULL; // paranoia
- stddefs = kmalloc(sizeof(struct v4l2_standard) * std_cnt,
+ stddefs = kzalloc(sizeof(struct v4l2_standard) * std_cnt,
GFP_KERNEL);
- memset(stddefs,0,sizeof(struct v4l2_standard) * std_cnt);
for (idx = 0; idx < std_cnt; idx++) stddefs[idx].index = idx;
idx = 0;
/* Enumerate potential special cases */
- for (idx2 = 0; ((idx2 < sizeof(std_mixes)/sizeof(std_mixes[0])) &&
- (idx < std_cnt)); idx2++) {
+ for (idx2 = 0; (idx2 < ARRAY_SIZE(std_mixes)) && (idx < std_cnt);
+ idx2++) {
if (!(id & std_mixes[idx2])) continue;
if (pvr2_std_fill(stddefs+idx,std_mixes[idx2])) idx++;
}