If raw_edid is null, it will crash, so checking in bad label is
meaningless.
Signed-off-by: Seung-Woo Kim <sw0312.kim@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/gpu/drm/drm_edid.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 2dc1a60..dbaed34 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -968,6 +968,9 @@ bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid)
u8 csum = 0;
struct edid *edid = (struct edid *)raw_edid;
+ if (!raw_edid)
+ return 0;
+
if (edid_fixup > 8 || edid_fixup < 0)
edid_fixup = 6;
@@ -1013,7 +1016,7 @@ bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid)
return 1;
bad:
- if (raw_edid && print_bad_edid) {
+ if (print_bad_edid) {
printk(KERN_ERR "Raw EDID:\n");
print_hex_dump(KERN_ERR, " \t", DUMP_PREFIX_NONE, 16, 1,
raw_edid, EDID_LENGTH, false);
--
1.7.4.1
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