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When running against a kernel without properties, continue as usual

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Missing out on properties is not fatal.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2013-10-08 13:09:50 +10:00
parent caa9267290
commit f9bdb66ab4
1 changed files with 5 additions and 1 deletions
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6
libevdev/libevdev.c
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@ -267,8 +267,12 @@ libevdev_set_fd(struct libevdev* dev, int fd)
if (rc < 0)
goto out;
/* Built on a kernel with props, running against a kernel without property
support. This should not be a fatal case, we'll be missing properties but other
than that everything is as expected.
*/
rc = ioctl(fd, EVIOCGPROP(sizeof(dev->props)), dev->props);
if (rc < 0)
if (rc < 0 && errno != EINVAL)
goto out;
rc = ioctl(fd, EVIOCGBIT(EV_REL, sizeof(dev->rel_bits)), dev->rel_bits);