[Intel-gfx] [PATCH v2 4/6] drm/edid: use a temp variable for sads to drop one level of dereferences
Jani Nikula
jani.nikula at intel.com
Tue Oct 31 10:16:41 UTC 2023
Use a temporary variable struct cea_sad *, instead of using struct
cea_sad ** directly with the double dereferences. It's arguably easier
on the eyes, and drops a set of parenthesis too.
Cc: Mitul Golani <mitulkumar.ajitkumar.golani at intel.com>
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani at intel.com>
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
drivers/gpu/drm/drm_edid.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 8be0f26702b5..c0d50082b504 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -5594,7 +5594,7 @@ static void drm_edid_to_eld(struct drm_connector *connector,
}
static int _drm_edid_to_sad(const struct drm_edid *drm_edid,
- struct cea_sad **sads)
+ struct cea_sad **psads)
{
const struct cea_db *db;
struct cea_db_iter iter;
@@ -5603,19 +5603,21 @@ static int _drm_edid_to_sad(const struct drm_edid *drm_edid,
cea_db_iter_edid_begin(drm_edid, &iter);
cea_db_iter_for_each(db, &iter) {
if (cea_db_tag(db) == CTA_DB_AUDIO) {
+ struct cea_sad *sads;
int j;
count = cea_db_payload_len(db) / 3; /* SAD is 3B */
- *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
- if (!*sads)
+ sads = kcalloc(count, sizeof(*sads), GFP_KERNEL);
+ *psads = sads;
+ if (!sads)
return -ENOMEM;
for (j = 0; j < count; j++) {
const u8 *sad = &db->data[j * 3];
- (*sads)[j].format = (sad[0] & 0x78) >> 3;
- (*sads)[j].channels = sad[0] & 0x7;
- (*sads)[j].freq = sad[1] & 0x7F;
- (*sads)[j].byte2 = sad[2];
+ sads[j].format = (sad[0] & 0x78) >> 3;
+ sads[j].channels = sad[0] & 0x7;
+ sads[j].freq = sad[1] & 0x7F;
+ sads[j].byte2 = sad[2];
}
break;
}
--
2.39.2
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