Commit 0818e4aa authored by Adrian Hunter's avatar Adrian Hunter Committed by Alexandre Belloni
Browse files

i3c: mipi-i3c-hci: Stop reading Extended Capabilities if capability ID is 0 



Extended Capability ID value 0 is special.  It signifies the end of the
list.  Stop reading Extended Capabilities if capability ID is 0.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Reviewed-by: default avatarFrank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260106164416.67074-3-adrian.hunter@intel.com


Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 840688d8

drivers/i3c/master/mipi-i3c-hci/ext_caps.c

+1 −1
Original line number Diff line number Diff line
@@ -271,7 +271,7 @@ int i3c_hci_parse_ext_caps(struct i3c_hci *hci) 
		cap_length = FIELD_GET(CAP_HEADER_LENGTH, cap_header);

		dev_dbg(&hci->master.dev, "id=0x%02x length=%d",

			cap_id, cap_length);

		if (!cap_length)

		if (!cap_id || !cap_length)

			break;

		if (curr_cap + cap_length * 4 >= end) {

			dev_err(&hci->master.dev,