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authorChristian Brauner <brauner@kernel.org>2025-02-26 09:55:24 +0100
committerChristian Brauner <brauner@kernel.org>2025-02-27 09:25:34 +0100
commit71628584df835970d25c334ea03c012daccec4c1 (patch)
tree950797f931f81dcdde2b4cc49a179e1193570f4f /include/linux/string.h
parent3789a0ab96af02c5604d1c29d89a43cb986b1222 (diff)
parent4cf006b739958942ee8b59b22c057681c65a9be6 (diff)
Merge patch series "prep patches for my mkdir series"
NeilBrown <neilb@suse.de> says: These two patches are cleanup are dependencies for my mkdir changes and subsequence directory locking changes. * patches from https://lore.kernel.org/r/20250226062135.2043651-1-neilb@suse.de: (2 commits) nfsd: drop fh_update() from S_IFDIR branch of nfsd_create_locked() nfs/vfs: discard d_exact_alias() Link: https://lore.kernel.org/r/20250226062135.2043651-1-neilb@suse.de Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'include/linux/string.h')
-rw-r--r--include/linux/string.h12
1 files changed, 8 insertions, 4 deletions
diff --git a/include/linux/string.h b/include/linux/string.h
index 86d5d352068b..f8e21e80942f 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -414,7 +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) || \
@@ -437,7 +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) || \
@@ -456,7 +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); \
@@ -481,7 +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); \