[PATCH 6/8] mwifiex: check if mwifiex_sdio_probe_of() fails and return error

From: Javier Martinez Canillas
Date: Fri May 27 2016 - 10:19:25 EST


The function can fail so the returned value should be checked
and the error propagated to the caller in case of a failure.

Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
---

drivers/net/wireless/marvell/mwifiex/sdio.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c
index 1ffbb972318f..1c17e624547a 100644
--- a/drivers/net/wireless/marvell/mwifiex/sdio.c
+++ b/drivers/net/wireless/marvell/mwifiex/sdio.c
@@ -187,8 +187,13 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
}

/* device tree node parsing and platform specific configuration*/
- if (func->dev.of_node)
- mwifiex_sdio_probe_of(&func->dev, card);
+ if (func->dev.of_node) {
+ ret = mwifiex_sdio_probe_of(&func->dev, card);
+ if (ret) {
+ dev_err(&func->dev, "SDIO dt node parse failed\n");
+ goto err_disable;
+ }
+ }

ret = mwifiex_add_card(card, &add_remove_card_sem, &sdio_ops,
MWIFIEX_SDIO);
--
2.5.5