diff options
| author | Subrata Banik <subratabanik@google.com> | 2024-04-02 08:00:14 +0000 |
|---|---|---|
| committer | Subrata Banik <subratabanik@google.com> | 2024-04-06 04:31:50 +0000 |
| commit | 9c4d85d83af20b7e83ebcb577cd3566619abd545 (patch) | |
| tree | 383e9d2a4ec05c872b03226e7a5ca9eb869f510e /src/lib | |
| parent | 49437a6945d039bf5c39eef883d42cb63559b79e (diff) | |
lib: Refactor bmp_load_logo() implementation
This refactoring ensures bmp_load_logo() takes logo_size as an
argument, returning a valid logo_ptr only if logo_size is non-zero.
This prevents potential errors from mismatched size assumption.
BUG=b:242829490
TEST=google/rex0 builds successfully.
Change-Id: I14bc54670a67980ec93bc366b274832d1f959e50
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81618
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Dinesh Gehlot <digehlot@google.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/bmp_logo.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/lib/bmp_logo.c b/src/lib/bmp_logo.c index 288877780a..becb605645 100644 --- a/src/lib/bmp_logo.c +++ b/src/lib/bmp_logo.c @@ -16,25 +16,27 @@ const char *bmp_logo_filename(void) } #endif -void bmp_load_logo(uint32_t *logo_ptr, uint32_t *logo_size) +void *bmp_load_logo(size_t *logo_size) { void *logo_buffer; /* CBMEM is locked for S3 resume path. */ if (acpi_is_wakeup_s3()) - return; + return NULL; logo_entry = cbmem_entry_add(CBMEM_ID_FSP_LOGO, 1 * MiB); if (!logo_entry) - return; + return NULL; logo_buffer = cbmem_entry_start(logo_entry); if (!logo_buffer) - return; + return NULL; *logo_size = cbfs_load(bmp_logo_filename(), logo_buffer, 1 * MiB); - if (*logo_size) - *logo_ptr = (uintptr_t)logo_buffer; + if (*logo_size == 0) + return NULL; + + return logo_buffer; } void bmp_release_logo(void) |