[PATCH 2/2] usb: typec: tcpm: Error handling for tcpm_register_partner_altmodes

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typec_partner_register_altmode returns ERR_PTR. Reset the pointer
altmode to NULL on failure.

Signed-off-by: Kyle Tso <kyletso@xxxxxxxxxx>
---
 drivers/usb/typec/tcpm/tcpm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 82b19ebd7838..a6d4b03ec250 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -1061,9 +1061,11 @@ static void tcpm_register_partner_altmodes(struct tcpm_port *port)
 	for (i = 0; i < modep->altmodes; i++) {
 		altmode = typec_partner_register_altmode(port->partner,
 						&modep->altmode_desc[i]);
-		if (!altmode)
+		if (IS_ERR(altmode)) {
 			tcpm_log(port, "Failed to register partner SVID 0x%04x",
 				 modep->altmode_desc[i].svid);
+			altmode = NULL;
+		}
 		port->partner_altmode[i] = altmode;
 	}
 }
-- 
2.27.0.389.gc38d7665816-goog




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