Changeset d08abdb7 in mainline for uspace/lib/usb/src/recognise.c

Timestamp:

2011-01-21T12:31:55Z (13 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

5d00e40

Parents:

96b0faef

Message:

More defensive descriptor parsing

File:

• uspace/lib/usb/src/recognise.c (modified) (1 diff)

uspace/lib/usb/src/recognise.c

@@ -203 +203 @@
                 uint8_t cur_descr_len = current_descriptor[0];
                 uint8_t cur_descr_type = current_descriptor[1];
+
+                if (cur_descr_len == 0) {
+                        return ENOENT;
+                }
                 
                 position += cur_descr_len;