Messages in this thread Patch in this message | | | From | Reza Arbab <> | Subject | [PATCH 1/2] drm/udl: Fix off-by-one error in udl_get_edid() | Date | Fri, 22 Mar 2019 15:56:12 -0500 |
| |
The loop which reads EDID extension blocks is off by one. Fix it.
Fixes: 75c65ee20ade ("drm/udl: Reading all edid blocks in DRM/UDL driver") Signed-off-by: Reza Arbab <arbab@linux.ibm.com> --- drivers/gpu/drm/udl/udl_connector.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c index 66885c24590f..820543415a78 100644 --- a/drivers/gpu/drm/udl/udl_connector.c +++ b/drivers/gpu/drm/udl/udl_connector.c @@ -71,7 +71,7 @@ static bool udl_get_edid(struct udl_device *udl, u8 **result_buff, memcpy(buff_ptr, block_buff, EDID_LENGTH); kfree(block_buff); buff_ptr += EDID_LENGTH; - for (i = 1; i < extensions; ++i) { + for (i = 1; i <= extensions; ++i) { if (udl_get_edid_block(udl, i, buff_ptr)) { buff_ptr += EDID_LENGTH; } else { -- 1.8.3.1
| |