[PATCH 4.16 148/272] remoteproc: imx_rproc: Fix an error handling path in imx_rproc_probe()

Greg Kroah-Hartman
2018-05-28T11:46:55Z

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit de6f83f85be94e0b7d0d324c29ccc9d78a6bb4e7 ]

If 'of_device_get_match_data()' fails, we must undo the previous
'rproc_alloc()' call.

Fixes: a0ff4aa6f010 ("remoteproc: imx_rproc: add a NXP/Freescale imx_rproc driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/remoteproc/imx_rproc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -339,8 +339,10 @@ static int imx_rproc_probe(struct platfo
}

dcfg = of_device_get_match_data(dev);
- if (!dcfg)
- return -EINVAL;
+ if (!dcfg) {
+ ret = -EINVAL;
+ goto err_put_rproc;
+ }

priv = rproc->priv;
priv->rproc = rproc;