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SCMI fix for v4.17 

A single patch to ensure that the scmi device is not used for setting up
 scmi handle after it's freed(fixes use after free).
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Merge tag 'scmi-fixes-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into fixes

SCMI fix for v4.17

A single patch to ensure that the scmi device is not used for setting up
scmi handle after it's freed(fixes use after free).

* tag 'scmi-fixes-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  firmware: arm_scmi: Use after free in scmi_create_protocol_device()

Signed-off-by: Olof Johansson <olof@lixom.net>
hifive-unleashed-5.1
Olof Johansson 2018-05-14 01:05:00 -07:00
parent 602a42420e 31c6085562
commit 16145fff37
1 changed files with 1 additions and 0 deletions
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1
drivers/firmware/arm_scmi/driver.c
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@ -778,6 +778,7 @@ scmi_create_protocol_device(struct device_node *np, struct scmi_info *info,
if (scmi_mbox_chan_setup(info, &sdev->dev, prot_id)) {
dev_err(&sdev->dev, "failed to setup transport\n");
scmi_device_destroy(sdev);
return;
}
/* setup handle now as the transport is ready */