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authorJiri Kosina <jkosina@suse.com>2025-03-26 13:42:07 +0100
committerJiri Kosina <jkosina@suse.com>2025-03-26 13:42:07 +0100
commitb3cc7428a32202936904b5b07cf9f135025bafd6 (patch)
treed4a1a6180ac5939fccd92acd6f8d7d1388575c4a /include/linux/string.h
parentdb52926fb0be40e1d588a346df73f5ea3a34a4c6 (diff)
parent01601fdd40ecf4467c8ae4d215dbb7d2a0599a2c (diff)
Merge branch 'for-6.15/amd_sfh' into for-linus
From: Mario Limonciello <mario.limonciello@amd.com> Some platforms include a human presence detection (HPD) sensor. When enabled and a user is detected a wake event will be emitted from the sensor fusion hub that software can react to. Example use cases are "wake from suspend on approach" or to "lock when leaving". This is currently enabled by default on supported systems, but users can't control it. This essentially means that wake on approach is enabled which is a really surprising behavior to users that don't expect it. Instead of defaulting to enabled add a sysfs knob that users can use to enable the feature if desirable and set it to disabled by default.
Diffstat (limited to 'include/linux/string.h')
-rw-r--r--include/linux/string.h15
1 files changed, 11 insertions, 4 deletions
diff --git a/include/linux/string.h b/include/linux/string.h
index 493ac4862c77..f8e21e80942f 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -4,6 +4,7 @@
#include <linux/args.h>
#include <linux/array_size.h>
+#include <linux/cleanup.h> /* for DEFINE_FREE() */
#include <linux/compiler.h> /* for inline */
#include <linux/types.h> /* for size_t */
#include <linux/stddef.h> /* for NULL */
@@ -312,6 +313,8 @@ extern void *kmemdup_array(const void *src, size_t count, size_t element_size, g
extern char **argv_split(gfp_t gfp, const char *str, int *argcp);
extern void argv_free(char **argv);
+DEFINE_FREE(argv_free, char **, if (!IS_ERR_OR_NULL(_T)) argv_free(_T))
+
/* lib/cmdline.c */
extern int get_option(char **str, int *pint);
extern char *get_options(const char *str, int nints, int *ints);
@@ -411,7 +414,8 @@ void memcpy_and_pad(void *dest, size_t dest_len, const void *src, size_t count,
* must be discoverable by the compiler.
*/
#define strtomem_pad(dest, src, pad) do { \
- const size_t _dest_len = __builtin_object_size(dest, 1); \
+ const size_t _dest_len = __must_be_byte_array(dest) + \
+ ARRAY_SIZE(dest); \
const size_t _src_len = __builtin_object_size(src, 1); \
\
BUILD_BUG_ON(!__builtin_constant_p(_dest_len) || \
@@ -434,7 +438,8 @@ void memcpy_and_pad(void *dest, size_t dest_len, const void *src, size_t count,
* must be discoverable by the compiler.
*/
#define strtomem(dest, src) do { \
- const size_t _dest_len = __builtin_object_size(dest, 1); \
+ const size_t _dest_len = __must_be_byte_array(dest) + \
+ ARRAY_SIZE(dest); \
const size_t _src_len = __builtin_object_size(src, 1); \
\
BUILD_BUG_ON(!__builtin_constant_p(_dest_len) || \
@@ -453,7 +458,8 @@ void memcpy_and_pad(void *dest, size_t dest_len, const void *src, size_t count,
* Note that sizes of @dest and @src must be known at compile-time.
*/
#define memtostr(dest, src) do { \
- const size_t _dest_len = __builtin_object_size(dest, 1); \
+ const size_t _dest_len = __must_be_byte_array(dest) + \
+ ARRAY_SIZE(dest); \
const size_t _src_len = __builtin_object_size(src, 1); \
const size_t _src_chars = strnlen(src, _src_len); \
const size_t _copy_len = min(_dest_len - 1, _src_chars); \
@@ -478,7 +484,8 @@ void memcpy_and_pad(void *dest, size_t dest_len, const void *src, size_t count,
* Note that sizes of @dest and @src must be known at compile-time.
*/
#define memtostr_pad(dest, src) do { \
- const size_t _dest_len = __builtin_object_size(dest, 1); \
+ const size_t _dest_len = __must_be_byte_array(dest) + \
+ ARRAY_SIZE(dest); \
const size_t _src_len = __builtin_object_size(src, 1); \
const size_t _src_chars = strnlen(src, _src_len); \
const size_t _copy_len = min(_dest_len - 1, _src_chars); \