diff options
| author | Andrey Konovalov <andreyknvl@google.com> | 2023-11-20 20:47:01 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-12-11 03:51:43 +0300 |
| commit | 603c000c115b40be75063af1a1e75a3b40d3a523 (patch) | |
| tree | 3ecb7ff1955bcae8ec39ba600050f3e25bb5ceb8 /lib/stackdepot.c | |
| parent | 0c5d44a8142d1ede05943845793d3d8a2f10c338 (diff) | |
| download | linux-603c000c115b40be75063af1a1e75a3b40d3a523.tar.xz | |
lib/stackdepot: simplify __stack_depot_save
The retval local variable in __stack_depot_save has the union type
handle_parts, but the function never uses anything but the union's handle
field.
Define retval simply as depot_stack_handle_t to simplify the code.
Link: https://lkml.kernel.org/r/3b0763c8057a1cf2f200ff250a5f9580ee36a28c.1700502145.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Marco Elver <elver@google.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib/stackdepot.c')
| -rw-r--r-- | lib/stackdepot.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/stackdepot.c b/lib/stackdepot.c index f8a8033e1dc8..3e71c8f61c7d 100644 --- a/lib/stackdepot.c +++ b/lib/stackdepot.c @@ -366,7 +366,7 @@ depot_stack_handle_t __stack_depot_save(unsigned long *entries, gfp_t alloc_flags, bool can_alloc) { struct stack_record *found = NULL, **bucket; - union handle_parts retval = { .handle = 0 }; + depot_stack_handle_t handle = 0; struct page *page = NULL; void *prealloc = NULL; unsigned long flags; @@ -383,7 +383,7 @@ depot_stack_handle_t __stack_depot_save(unsigned long *entries, nr_entries = filter_irq_stacks(entries, nr_entries); if (unlikely(nr_entries == 0) || stack_depot_disabled) - goto fast_exit; + return 0; hash = hash_stack(entries, nr_entries); bucket = &stack_table[hash & stack_hash_mask]; @@ -449,9 +449,8 @@ exit: free_pages((unsigned long)prealloc, DEPOT_POOL_ORDER); } if (found) - retval.handle = found->handle.handle; -fast_exit: - return retval.handle; + handle = found->handle.handle; + return handle; } EXPORT_SYMBOL_GPL(__stack_depot_save); |