[PATCH v2 2/7] include/linux: change "__auto_type" to "auto"

From: H. Peter Anvin
Date: Sun Jul 20 2025 - 02:54:01 EST


Replace instances of "__auto_type" with "auto" in include/linux.

Signed-off-by: H. Peter Anvin (Intel) <hpa@xxxxxxxxx>
---
include/linux/cleanup.h | 6 +++---
include/linux/compiler.h | 2 +-
include/linux/minmax.h | 6 +++---
3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/linux/cleanup.h b/include/linux/cleanup.h
index 7093e1d08af0..c7f3031ae400 100644
--- a/include/linux/cleanup.h
+++ b/include/linux/cleanup.h
@@ -199,10 +199,10 @@

#define __free(_name) __cleanup(__free_##_name)

-#define __get_and_null(p, nullvalue) \
+#define __get_and_null(p, nullvalue) \
({ \
- __auto_type __ptr = &(p); \
- __auto_type __val = *__ptr; \
+ auto __ptr = &(p); \
+ auto __val = *__ptr; \
*__ptr = nullvalue; \
__val; \
})
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 6f04a1d8c720..7fef5cd41dfc 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -186,7 +186,7 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
#define data_race(expr) \
({ \
__kcsan_disable_current(); \
- __auto_type __v = (expr); \
+ auto __v = (expr); \
__kcsan_enable_current(); \
__v; \
})
diff --git a/include/linux/minmax.h b/include/linux/minmax.h
index eaaf5c008e4d..a0158db54a04 100644
--- a/include/linux/minmax.h
+++ b/include/linux/minmax.h
@@ -89,7 +89,7 @@
__cmp_once_unique(op, type, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))

#define __careful_cmp_once(op, x, y, ux, uy) ({ \
- __auto_type ux = (x); __auto_type uy = (y); \
+ auto ux = (x); auto uy = (y); \
BUILD_BUG_ON_MSG(!__types_ok(ux, uy), \
#op"("#x", "#y") signedness error"); \
__cmp(op, ux, uy); })
@@ -129,7 +129,7 @@
__careful_cmp(max, (x) + 0u + 0ul + 0ull, (y) + 0u + 0ul + 0ull)

#define __careful_op3(op, x, y, z, ux, uy, uz) ({ \
- __auto_type ux = (x); __auto_type uy = (y);__auto_type uz = (z);\
+ auto ux = (x); auto uy = (y); auto uz = (z); \
BUILD_BUG_ON_MSG(!__types_ok3(ux, uy, uz), \
#op"3("#x", "#y", "#z") signedness error"); \
__cmp(op, ux, __cmp(op, uy, uz)); })
@@ -203,7 +203,7 @@
* This macro checks @val/@lo/@hi to make sure they have compatible
* signedness.
*/
-#define clamp(val, lo, hi) __careful_clamp(__auto_type, val, lo, hi)
+#define clamp(val, lo, hi) __careful_clamp(auto, val, lo, hi)

/**
* clamp_t - return a value clamped to a given range using a given type
--
2.50.1