Changeset dd19446 in mainline

Timestamp:

2024-03-07T08:09:52Z (7 weeks ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master

Children:

7dbf1f6

Parents:

2cdf520

git-author:

Jiri Svoboda <jiri@…> (2024-03-06 19:09:30)

git-committer:

Jiri Svoboda <jiri@…> (2024-03-07 08:09:52)

Message:

Fix bug in usb_hid_translate_data()

Fixes Lenovo wireless mouse

File:

• uspace/lib/usbhid/src/hidparser.c (modified) (1 diff)

uspace/lib/usbhid/src/hidparser.c

@@ -225 +225 @@
         /* Than we take the higher bits from the LSB */
         const unsigned bit_offset = item->offset % 8;
-        const int lsb_bits = min(bits, 8);
+        const int lsb_bits = min((unsigned)bits, 8 - bit_offset);
 
         value |= (*data >> bit_offset) & BIT_RRANGE(uint8_t, lsb_bits);