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Fix invalid abs_info read

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2013-06-03 16:36:10 +10:00
parent 1927b2024f
commit b01c94a762
1 changed files with 2 additions and 1 deletions
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3
libevdev/libevdev.c
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@ -288,10 +288,11 @@ libevdev_set_fd(struct libevdev* dev, int fd)
for (i = ABS_X; i <= ABS_MAX; i++) { for (i = ABS_X; i <= ABS_MAX; i++) {
if (bit_is_set(dev->abs_bits, i)) { if (bit_is_set(dev->abs_bits, i)) {
struct input_absinfo abs_info; struct input_absinfo abs_info;
rc = ioctl(fd, EVIOCGABS(i), &dev->abs_info[i]); rc = ioctl(fd, EVIOCGABS(i), &abs_info);
if (rc < 0) if (rc < 0)
goto out; goto out;
dev->abs_info[i] = abs_info;
if (i == ABS_MT_SLOT) { if (i == ABS_MT_SLOT) {
dev->num_slots = abs_info.maximum + 1; /* FIXME: non-zero min? */ dev->num_slots = abs_info.maximum + 1; /* FIXME: non-zero min? */
dev->current_slot = abs_info.value; dev->current_slot = abs_info.value;