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-rw-r--r--lib/ioctl_wrappers.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/ioctl_wrappers.h b/lib/ioctl_wrappers.h
index ea9f5598..7c0c87e0 100644
--- a/lib/ioctl_wrappers.h
+++ b/lib/ioctl_wrappers.h
@@ -74,7 +74,7 @@ void *gem_mmap__wc(int fd, uint32_t handle, int offset, int size, int prot);
* the gtt) write-combine memory mappings are available. Automatically skips
* through igt_require() if not.
*/
-#define gem_require_mmap_wc(x) igt_require(gem_mmap__has_wc(x))
+#define gem_require_mmap_wc(fd) igt_require(gem_mmap__has_wc(fd))
/**
* gem_mmap: