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authorMark Brown <broonie@kernel.org>2021-09-20 15:56:58 +0100
committerMark Brown <broonie@kernel.org>2021-09-21 15:23:35 +0100
commitffb1e76f4f32d2b8ea4189df0484980370476395 (patch)
treec62376eab558809973dc5b71806df07c388bfc1a /include/linux/typecheck.h
parent2bab94090b01bc593d8bc25f68df41f198721173 (diff)
parente4e737bb5c170df6135a127739a9e6148ee3da82 (diff)
downloadcachepc-linux-ffb1e76f4f32d2b8ea4189df0484980370476395.tar.gz
cachepc-linux-ffb1e76f4f32d2b8ea4189df0484980370476395.zip
Merge tag 'v5.15-rc2' into spi-5.15
Linux 5.15-rc2
Diffstat (limited to 'include/linux/typecheck.h')
-rw-r--r--include/linux/typecheck.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/typecheck.h b/include/linux/typecheck.h
index 20d310331eb5..46b15e2aaefb 100644
--- a/include/linux/typecheck.h
+++ b/include/linux/typecheck.h
@@ -22,4 +22,13 @@
(void)__tmp; \
})
+/*
+ * Check at compile time that something is a pointer type.
+ */
+#define typecheck_pointer(x) \
+({ typeof(x) __dummy; \
+ (void)sizeof(*__dummy); \
+ 1; \
+})
+
#endif /* TYPECHECK_H_INCLUDED */