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| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2025-07-28 10:24:40 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2025-07-28 10:24:40 +0200 |
| commit | f61389a9cd26b424485acade726ccfff96c749de (patch) | |
| tree | f54ed90124becd0e3758ef0702ae5866c6bfa65c /lib/alloc_tag.c | |
| parent | c3ff7f06c7876bc292cac1c7d4df3d0bfd74f3b7 (diff) | |
| parent | 85b9dd6e90b92f5cb7c47991421ceb4925ba2a87 (diff) | |
Merge tag 'i2c-host-6.17-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-mergewindow
i2c-host for v6.17, part 1
Cleanups and refactorings:
- lpi2c, riic, st, stm32f7: general improvements
- riic: support more flexible IRQ configurations
- tegra: fix documentation
Improvements:
- lpi2c: improve register polling and add atomic transfer
- imx: use guarded spinlocks
New hardware support:
- Samsung Exynos 2200
- Renesas RZ/T2H (R9A09G077), RZ/N2H (R9A09G087)
DT binding:
- rk3x: enable power domains
- nxp: support clock property
Diffstat (limited to 'lib/alloc_tag.c')
| -rw-r--r-- | lib/alloc_tag.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/alloc_tag.c b/lib/alloc_tag.c index d48b80f3f007e..0142bc916f73b 100644 --- a/lib/alloc_tag.c +++ b/lib/alloc_tag.c @@ -10,6 +10,7 @@ #include <linux/seq_buf.h> #include <linux/seq_file.h> #include <linux/vmalloc.h> +#include <linux/kmemleak.h> #define ALLOCINFO_FILE_NAME "allocinfo" #define MODULE_ALLOC_TAG_VMAP_SIZE (100000UL * sizeof(struct alloc_tag)) @@ -134,6 +135,9 @@ size_t alloc_tag_top_users(struct codetag_bytes *tags, size_t count, bool can_sl struct codetag_bytes n; unsigned int i, nr = 0; + if (IS_ERR_OR_NULL(alloc_tag_cttype)) + return 0; + if (can_sleep) codetag_lock_module_list(alloc_tag_cttype, true); else if (!codetag_trylock_module_list(alloc_tag_cttype)) @@ -632,8 +636,13 @@ static int load_module(struct module *mod, struct codetag *start, struct codetag mod->name); return -ENOMEM; } - } + /* + * Avoid a kmemleak false positive. The pointer to the counters is stored + * in the alloc_tag section of the module and cannot be directly accessed. + */ + kmemleak_ignore_percpu(tag->counters); + } return 0; } |