diff options
| author | Kees Cook <keescook@chromium.org> | 2022-10-11 13:01:08 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2022-10-17 13:14:32 -0700 |
| commit | 3219122b8cdd580f0793e803d4e80ecd7384cf17 (patch) | |
| tree | 503d05c2ae868d8e04d3e7aa88bf4dc7d6877b42 /fs/pstore | |
| parent | 893c5f1de620fb0134ddef37dfd850f6c639162b (diff) | |
| download | linux-3219122b8cdd580f0793e803d4e80ecd7384cf17.tar.bz2 | |
pstore/ram: Consolidate kfree() paths
There's no reason to keep separate kfree() paths: either all allocations
succeeded, or not. Everything is torn down in the case of failure, so
adjust the callers to reflect this.
Cc: Anton Vorontsov <anton@enomsg.org>
Cc: Colin Cross <ccross@android.com>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-and-tested-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Link: https://lore.kernel.org/r/20221011200112.731334-2-keescook@chromium.org
Diffstat (limited to 'fs/pstore')
| -rw-r--r-- | fs/pstore/ram.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c index fefe3d391d3a..348820a3ce88 100644 --- a/fs/pstore/ram.c +++ b/fs/pstore/ram.c @@ -451,6 +451,12 @@ static void ramoops_free_przs(struct ramoops_context *cxt) { int i; + /* Free pmsg PRZ */ + persistent_ram_free(cxt->mprz); + + /* Free console PRZ */ + persistent_ram_free(cxt->cprz); + /* Free dump PRZs */ if (cxt->dprzs) { for (i = 0; i < cxt->max_dump_cnt; i++) @@ -772,12 +778,12 @@ static int ramoops_probe(struct platform_device *pdev) dump_mem_sz, cxt->record_size, &cxt->max_dump_cnt, 0, 0); if (err) - goto fail_out; + goto fail_init; err = ramoops_init_prz("console", dev, cxt, &cxt->cprz, &paddr, cxt->console_size, 0); if (err) - goto fail_init_cprz; + goto fail_init; cxt->max_ftrace_cnt = (cxt->flags & RAMOOPS_FLAG_FTRACE_PER_CPU) ? nr_cpu_ids @@ -788,12 +794,12 @@ static int ramoops_probe(struct platform_device *pdev) (cxt->flags & RAMOOPS_FLAG_FTRACE_PER_CPU) ? PRZ_FLAG_NO_LOCK : 0); if (err) - goto fail_init_fprz; + goto fail_init; err = ramoops_init_prz("pmsg", dev, cxt, &cxt->mprz, &paddr, cxt->pmsg_size, 0); if (err) - goto fail_init_mprz; + goto fail_init; cxt->pstore.data = cxt; /* @@ -857,11 +863,7 @@ fail_buf: kfree(cxt->pstore.buf); fail_clear: cxt->pstore.bufsize = 0; - persistent_ram_free(cxt->mprz); -fail_init_mprz: -fail_init_fprz: - persistent_ram_free(cxt->cprz); -fail_init_cprz: +fail_init: ramoops_free_przs(cxt); fail_out: return err; @@ -876,8 +878,6 @@ static int ramoops_remove(struct platform_device *pdev) kfree(cxt->pstore.buf); cxt->pstore.bufsize = 0; - persistent_ram_free(cxt->mprz); - persistent_ram_free(cxt->cprz); ramoops_free_przs(cxt); return 0; |