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Groups > linux.kernel > #1705121
| Path | csiph.com!aioe.org!bofh.it!news.nic.it!robomod |
|---|---|
| From | Christophe JAILLET <christophe.jaillet@wanadoo.fr> |
| Newsgroups | linux.kernel |
| Subject | [PATCH] extcon: cros-ec: Fix a potential NULL pointer dereference |
| Date | Mon, 07 Aug 2017 08:40:01 +0200 |
| Message-ID | <ubJRL-4Fq-9@gated-at.bofh.it> (permalink) |
| X-Original-To | myungjoo.ham@samsung.com, cw00.choi@samsung.com |
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| X-Me-Auth | Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= |
| X-Me-Date | Mon, 07 Aug 2017 08:30:37 +0200 |
| X-Me-IP | 90.21.163.120 |
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| Sender | robomod@news.nic.it |
| List-ID | <linux-kernel.vger.kernel.org> |
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| Approved | robomod@news.nic.it |
| Lines | 24 |
| Organization | linux.* mail to news gateway |
| X-Original-Cc | linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET <christophe.jaillet@wanadoo.fr> |
| X-Original-Date | Mon, 7 Aug 2017 08:30:33 +0200 |
| X-Original-Message-ID | <20170807063033.8063-1-christophe.jaillet@wanadoo.fr> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
| Xref | csiph.com linux.kernel:1705121 |
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Return -ENOMEM in case of memory allocation failure. This avoids a NULL
pointer dereference.
Fixes: c69831666109 ("extcon: cros-ec: Add extcon-cros-ec driver to support display out")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
drivers/extcon/extcon-usbc-cros-ec.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/extcon/extcon-usbc-cros-ec.c b/drivers/extcon/extcon-usbc-cros-ec.c
index e759ed477735..598956f1dcae 100644
--- a/drivers/extcon/extcon-usbc-cros-ec.c
+++ b/drivers/extcon/extcon-usbc-cros-ec.c
@@ -68,6 +68,8 @@ static int cros_ec_pd_command(struct cros_ec_extcon_info *info,
int ret;
msg = kzalloc(sizeof(*msg) + max(outsize, insize), GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
msg->version = version;
msg->command = command;
--
2.11.0
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[PATCH] extcon: cros-ec: Fix a potential NULL pointer dereference Christophe JAILLET <christophe.jaillet@wanadoo.fr> - 2017-08-07 08:40 +0200 Re: [PATCH] extcon: cros-ec: Fix a potential NULL pointer dereference Chanwoo Choi <cw00.choi@samsung.com> - 2017-08-07 08:50 +0200
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