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drivers/serial: check the remote device before get name

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| #0 0x2119bf1 in rpmsg_get_cpuname rptun/rptun.c:1157
| #1 0x24f97bd in uart_rpmsg_device_destroy serial/uart_rpmsg.c:342
| #2 0x2117d56 in rptun_dev_stop rptun/rptun.c:883
| #3 0x21181d7 in rptun_do_ioctl rptun/rptun.c:922
| #4 0x2119721 in rptun_ioctl_foreach rptun/rptun.c:1086

Signed-off-by: chao an <anchao@xiaomi.com>
This commit is contained in:
chao an 2023-10-31 16:55:02 +08:00 • committed by Xiang Xiao
parent 93ff6f9703
commit 85a375cd7d
1 changed files with 2 additions and 1 deletions
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3
drivers/serial/uart_rpmsg.c
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@ -339,7 +339,8 @@ static void uart_rpmsg_device_destroy(FAR struct rpmsg_device *rdev,
FAR struct uart_dev_s *dev = priv_;
FAR struct uart_rpmsg_priv_s *priv = dev->priv;
if (strcmp(priv->cpuname, rpmsg_get_cpuname(rdev)) == 0)
if (priv->ept.priv != NULL &&
strcmp(priv->cpuname, rpmsg_get_cpuname(rdev)) == 0)
{
rpmsg_destroy_ept(&priv->ept);
}