[PATCH 4.9 099/120] remoteproc: st: Fix error return code in st_rproc_probe()

[Greg Kroah-Hartman]

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wei Yongjun <weiyongj...@huawei.com>

commit 1d701d3dd8caf6660ff33c3c23a115b4649c5cdb upstream.

Fix to return a negative error code from the st_rproc_state() error
handling case instead of 0, as done elsewhere in this function.

Fixes: 63edb0310a5c ("remoteproc: Supply controller driver for ST's Remote 
Processors")
Signed-off-by: Wei Yongjun <weiyongj...@huawei.com>
Signed-off-by: Bjorn Andersson <bjorn.anders...@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/remoteproc/st_remoteproc.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/remoteproc/st_remoteproc.c
+++ b/drivers/remoteproc/st_remoteproc.c
@@ -245,8 +245,10 @@ static int st_rproc_probe(struct platfor
                goto free_rproc;
 
        enabled = st_rproc_state(pdev);
-       if (enabled < 0)
+       if (enabled < 0) {
+               ret = enabled;
                goto free_rproc;
+       }
 
        if (enabled) {
                atomic_inc(&rproc->power);