diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2026-01-06 18:44:07 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2026-01-14 15:53:33 +0100 |
| commit | 0818e4aa8fdeeed5973e0a8faeddc9da599fc897 (patch) | |
| tree | 51097f695a779b1a010273bb1115847f4b64a625 | |
| parent | 840688d8e65cc6b0d1ac1aa01b9374ae56ff3dfc (diff) | |
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: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260106164416.67074-3-adrian.hunter@intel.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
| -rw-r--r-- | drivers/i3c/master/mipi-i3c-hci/ext_caps.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i3c/master/mipi-i3c-hci/ext_caps.c b/drivers/i3c/master/mipi-i3c-hci/ext_caps.c index 40939af0b0e3..024bccf23fd0 100644 --- a/drivers/i3c/master/mipi-i3c-hci/ext_caps.c +++ b/drivers/i3c/master/mipi-i3c-hci/ext_caps.c @@ -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, |