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drivers: modem: hl7800: fix possible null reference

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Ensure sock is not referenced if it is null.

Signed-off-by: Ryan Erickson <ryan.erickson@lairdconnect.com>
This commit is contained in:
Ryan Erickson 2021-01-26 21:02:03 -06:00 • committed by Anas Nashif
commit a7b61fa2a8
1 changed files with 2 additions and 1 deletions
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3
drivers/modem/hl7800.c
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@ -2776,7 +2776,7 @@ static void sock_read(struct net_buf **buf, uint16_t len)
sock = socket_from_id(ictx.last_socket_id); sock = socket_from_id(ictx.last_socket_id);
if (!sock) { if (!sock) {
LOG_ERR("Socket not found! (%d)", ictx.last_socket_id); LOG_ERR("Socket not found! (%d)", ictx.last_socket_id);
goto done; goto exit;
} }
if (sock->error) { if (sock->error) {
@ -2913,6 +2913,7 @@ done:
} else { } else {
sock->state = SOCK_IDLE; sock->state = SOCK_IDLE;
} }
exit:
allow_sleep(true); allow_sleep(true);
hl7800_TX_unlock(); hl7800_TX_unlock();
} }