linux-kernel - [PATCH] [media] smiapp: check memory allocation failure

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Message-Id: <20170824055839.26767-1-christophe.jaillet@wanadoo.fr>
Date:   Thu, 24 Aug 2017 07:58:39 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     sakari.ailus@....fi, mchehab@...nel.org
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] [media] smiapp: check memory allocation failure

Check memory allocation failure and return -ENOMEM in such a case.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/media/i2c/smiapp/smiapp-core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index aff55e1dffe7..700f433261d0 100644
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -841,6 +841,8 @@ static int smiapp_get_mbus_formats(struct smiapp_sensor *sensor)
 		&client->dev,
 		compressed_max_bpp - sensor->compressed_min_bpp + 1,
 		sizeof(*sensor->valid_link_freqs), GFP_KERNEL);
+	if (!sensor->valid_link_freqs)
+		return -ENOMEM;
 
 	for (i = 0; i < ARRAY_SIZE(smiapp_csi_data_formats); i++) {
 		const struct smiapp_csi_data_format *f =
-- 
2.11.0