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drivers: i3c: Check for the existence of callback before invoking

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I3C callbacks are registered by upper layer. Driver layer must check if
a callback is not NULL before calling it

Signed-off-by: Nghia Phung <nghiap@amperecomputing.com>
This commit is contained in:
Nghia Phung 2025-06-12 16:20:49 +07:00 • committed by Benjamin Cabé
commit caf42fbdef
1 changed files with 6 additions and 4 deletions
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10
drivers/i3c/i3c_dw.c
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@ -553,10 +553,12 @@ static void dw_i3c_end_xfer(const struct device *dev)
for (j = 0; j < cmd->rx_len; j += 4) {
rx_data = sys_read32(config->regs + RX_TX_DATA_PORT);
/* Call write received cb for each remaining byte */
for (k = 0; k < MIN(4, cmd->rx_len - j); k++) {
target_cb->write_received_cb(data->target_config,
(rx_data >> (8 * k)) & 0xff);
if (target_cb != NULL && target_cb->write_received_cb != NULL) {
/* Call write received cb for each remaining byte */
for (k = 0; k < MIN(4, cmd->rx_len - j); k++) {
target_cb->write_received_cb(data->target_config,
(rx_data >> (8 * k)) & 0xff);
}
}
}