linux-kernel - [ 54/61] remoteproc: fix missing fault indication in error-path

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Date:	Wed, 20 Jun 2012 10:31:14 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk,
	Sjur Brændeland <sjur.brandeland@...ricsson.com>,
	Ohad Ben-Cohen <ohad@...ery.com>
Subject: [ 54/61] remoteproc: fix missing fault indication in error-path

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

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

From: Sjur Brændeland <sjur.brandeland@...ricsson.com>

commit 30338cf09f82523d8747670f7363cc8af347c79f upstream.

If rproc_find_rsc_table() fails, rproc_fw_boot() must set
return-value before jumping to clean_up label. Otherwise no
error value is returned.

Signed-off-by: Sjur Brændeland <sjur.brandeland@...ricsson.com>
Signed-off-by: Ohad Ben-Cohen <ohad@...ery.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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

--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -1041,8 +1041,10 @@ static int rproc_fw_boot(struct rproc *r
 
 	/* look for the resource table */
 	table = rproc_find_rsc_table(rproc, fw->data, fw->size, &tablesz);
-	if (!table)
+	if (!table) {
+		ret = -EINVAL;
 		goto clean_up;
+	}
 
 	/* handle fw resources which are required to boot rproc */
 	ret = rproc_handle_boot_rsc(rproc, table, tablesz);


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