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Groups > linux.kernel > #1656148
| From | Henri Roosen <henri.roosen@ginzinger.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] rpmsg: rpmsg_core: fix null-ptr dereference for devices without ops |
| Date | 2017-06-02 13:40 +0200 |
| Message-ID | <tNT5T-rX-15@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
A device might not have an ops structure registered. This patch fixes a null-prt dereference by checking ops before dereferencing it. Signed-off-by: Henri Roosen <henri.roosen@ginzinger.com> --- drivers/rpmsg/rpmsg_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index 600f5f9..0c48452 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -429,7 +429,7 @@ static int rpmsg_dev_probe(struct device *dev) goto out; } - if (rpdev->ops->announce_create) + if (rpdev->ops && rpdev->ops->announce_create) err = rpdev->ops->announce_create(rpdev); out: return err; -- 2.1.4
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[PATCH] rpmsg: rpmsg_core: fix null-ptr dereference for devices without ops Henri Roosen <henri.roosen@ginzinger.com> - 2017-06-02 13:40 +0200 Re: [PATCH] rpmsg: rpmsg_core: fix null-ptr dereference for devices without ops Suman Anna <s-anna@ti.com> - 2017-06-02 23:50 +0200
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