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Warn if there are multiple devices with the same syspath

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Change to the previous code in that we continue looking at devices
even after we've found one. However, this way we can warn
the user when we can't guarantee syspath correctness.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
This commit is contained in:
Peter Hutterer 2013-08-31 13:03:47 +10:00
parent a6e25fab76
commit 4b5ffa6bea
1 changed files with 10 additions and 5 deletions
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15
libevdev/libevdev-uinput.c
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@ -226,11 +226,16 @@ fetch_syspath_and_devnode(struct libevdev_uinput *uinput_dev)
buf[len - 1] = '\0'; /* file contains \n */
if (strcmp(buf, uinput_dev->name) == 0) {
strcpy(buf, SYS_INPUT_DIR);
strcat(buf, namelist[i]->d_name);
uinput_dev->syspath = strdup(buf);
uinput_dev->devnode = fetch_device_node(buf);
break;
if (uinput_dev->syspath) {
/* FIXME: could descend into bit comparison here */
log_info("multiple identical devices found. syspath is unreliable\n");
break;
} else {
strcpy(buf, SYS_INPUT_DIR);
strcat(buf, namelist[i]->d_name);
uinput_dev->syspath = strdup(buf);
uinput_dev->devnode = fetch_device_node(buf);
}
}
}