hidapi: does not handle kernel version correctly for > 3

[folkert <fo...@va...>]

Hi,

hidapi does not handle kernel version >= v3.x correctly; it expects 3
values while only 2 are available.

This should fix that:

diff --git a/linux/hid.c b/linux/hid.c
index 38f6753..e4295e9 100644
--- a/linux/hid.c
+++ b/linux/hid.c
@@ -602,11 +602,16 @@ hid_device * HID_API_EXPORT hid_open_path(const char *path)
 
        if (kernel_version == 0) {
                struct utsname name;
-               int major, minor, release;
+               int major, minor, release = 0;
                int ret;
+
                uname(&name);
+
                ret = sscanf(name.release, "%d.%d.%d", &major, &minor, &release);
-               if (ret == 3) {
+               if (ret != 3)
+                       ret = sscanf(name.release, "%d.%d", &major, &minor);
+
+               if (ret == 2 || ret == 3) {
                        kernel_version = major << 16 | minor << 8 | release;
                        //printf("Kernel Version: %d\n", kernel_version);
                }


Folkert van Heusden

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