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Merge pull request #3543 from YixingShen/master

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_end_of_control_descriptor return when std.bNumEndpoints  > 0
This commit is contained in:
Ha Thach
2026-03-10 10:06:45 +07:00
committed by GitHub
parent e98d32a304 7ca457cc3d
commit 7ddf63151d
1 changed files with 1 additions and 7 deletions
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8
src/class/video/video_device.c
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@ -399,13 +399,7 @@ static void const* _find_desc_ep(void const *beg, void const *end)
static inline void const* _end_of_control_descriptor(void const *desc)
{
tusb_desc_vc_itf_t const *vc = (tusb_desc_vc_itf_t const *)desc;
uint8_t const *end = (uint8_t const*)desc + vc->std.bLength
+ tu_le16toh(vc->ctl.wTotalLength);
if (vc->std.bNumEndpoints) {
end += sizeof(tusb_desc_endpoint_t); // standard EP descriptor
end += 5; // class-specific EP descriptor (fixed 5 bytes per UVC spec)
}
return end;
return ((uint8_t const*) desc) + vc->std.bLength + tu_le16toh(vc->ctl.wTotalLength);
}
/** Find the first entity descriptor with the entity ID