From: Tvrtko Ursulin <[email protected]> DRM code defines the minor range for master nodes as 0-63, so express that explicitly near the top of the function.
Signed-off-by: Tvrtko Ursulin <[email protected]> --- lib/igt_sysfs.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/igt_sysfs.c b/lib/igt_sysfs.c index dd057dc04947..f0fef8d434ef 100644 --- a/lib/igt_sysfs.c +++ b/lib/igt_sysfs.c @@ -105,6 +105,10 @@ char *igt_sysfs_path(int device, char *path, int pathlen, int *idx) if (device < 0 || fstat(device, &st) || !S_ISCHR(st.st_mode)) return NULL; + /* Only support master nodes. */ + if (minor(st.st_rdev) >= 64) + return NULL; + for (int n = 0; n < 16; n++) { int len = snprintf(path, pathlen, "/sys/class/drm/card%d", n); int ret, maj, min; -- 2.14.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
