udev/scsi_id: fix incorrect page length when get device identificatio…

…n VPD page The length of device identification VPD page is filled with two bytes, but scsi_id only gets the low byte. Fix it. Signed-off-by: Zhang Xianwei <[email protected]> systemd-commit: 1f7b6872dbe8ccae1f3bda9aa6aeb87c9b42e01e Author: Zhang Xianwei <[email protected]> Date: Mon May 13 18:41:55 2019 +0800
eudev-project · Oct 10, 2021 · d527ee5 · d527ee5
1 parent 21b7ede
commit d527ee5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/scsi_id/scsi_serial.c b/src/scsi_id/scsi_serial.c
@@ -649,7 +649,7 @@ static int do_scsi_page83_inquiry(struct udev *udev,
                  * Examine each descriptor returned. There is normally only
                  * one or a small number of descriptors.
                  */
-                for (j = 4; j <= (unsigned int)page_83[3] + 3; j += page_83[j + 3] + 4) {
+                for (j = 4; j <= ((unsigned)page_83[2] << 8) + (unsigned)page_83[3] + 3; j += page_83[j + 3] + 4) {
                         retval = check_fill_0x83_id(udev,
                                                     dev_scsi, page_83 + j,
                                                     id_search_list + id_ind,