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/drivers/intel/fsp2_0 | |
| 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/drivers/intel/fsp2_0')
| -rw-r--r-- | src/drivers/intel/fsp2_0/fsp_gop_blt.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/drivers/intel/fsp2_0/fsp_gop_blt.c b/src/drivers/intel/fsp2_0/fsp_gop_blt.c index 8b64502224..f59bb86b76 100644 --- a/src/drivers/intel/fsp2_0/fsp_gop_blt.c +++ b/src/drivers/intel/fsp2_0/fsp_gop_blt.c @@ -237,13 +237,15 @@ void fsp_convert_bmp_to_gop_blt(uint32_t *logo, uint32_t *logo_size, uint32_t *blt_ptr, uint32_t *blt_size, uint32_t *pixel_height, uint32_t *pixel_width) { - uint32_t logo_ptr, logo_ptr_size, blt_buffer_size; + uint32_t logo_ptr; + size_t logo_ptr_size, blt_buffer_size; efi_bmp_image_header *bmp_header; if (!logo || !logo_size || !blt_ptr || !blt_size || !pixel_height || !pixel_width) return; - bmp_load_logo(&logo_ptr, &logo_ptr_size); + logo_ptr = (uint32_t)(uintptr_t)bmp_load_logo(&logo_ptr_size); + if (!logo_ptr || logo_ptr_size < sizeof(efi_bmp_image_header)) { printk(BIOS_ERR, "%s: BMP Image size is too small.\n", __func__); return; |