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modesetting: Pass O_CLOEXEC when opening a DRM device 

We don't want DRM file descriptors to leak to child processes.

Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
(cherry picked from commit 315c63c41d)
This commit is contained in:
Michel Dänzer 2018-05-18 11:23:01 +02:00 committed by Adam Jackson
parent c3a06e330b
commit a9a17581ce
1 changed files with 3 additions and 3 deletions
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6
hw/xfree86/drivers/modesetting/driver.c
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@ -200,12 +200,12 @@ open_hw(const char *dev)
int fd; int fd;
if (dev) if (dev)
fd = open(dev, O_RDWR, 0); fd = open(dev, O_RDWR | O_CLOEXEC, 0);
else { else {
dev = getenv("KMSDEVICE"); dev = getenv("KMSDEVICE");
if ((NULL == dev) || ((fd = open(dev, O_RDWR, 0)) == -1)) { if ((NULL == dev) || ((fd = open(dev, O_RDWR | O_CLOEXEC, 0)) == -1)) {
dev = "/dev/dri/card0"; dev = "/dev/dri/card0";
fd = open(dev, O_RDWR, 0); fd = open(dev, O_RDWR | O_CLOEXEC, 0);
} }
} }
if (fd == -1) if (fd == -1)