[PATCH v2 07/18] DRM/KMS/EDID: Don't reallocate EDID blob when size has shrunk.

[Egbert Eich]

valid_extensions (the number of EDID extensions found to be valid)
can never be > block[EDID_EXTENSION_FLAG_OFFSET].
There is no point of reallocating the block in this case: the
extra blocks at the end of the EDID structure will not hurt,
also the implementation of krealloc() will just return the same
block.

Signed-off-by: Egbert Eich <eich at suse.com>
---
 drivers/gpu/drm/drm_edid.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index da2f7fa..0fe61fb 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -396,10 +396,6 @@ done_fix_extension_count:
 	if (valid_extensions != block[EDID_EXTENSION_FLAG_OFFSET]) {
 		block[EDID_CHECKSUM_OFFSET] += block[EDID_EXTENSION_FLAG_OFFSET] - valid_extensions;
 		block[EDID_EXTENSION_FLAG_OFFSET] = valid_extensions;
-		new = krealloc(block, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
-		if (!new)
-			goto out;
-		block = new;
 	}
 
 	return block;
-- 
1.7.7