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| author | Arvind Sankar <nivedita@alum.mit.edu> | 2020-03-19 22:00:19 -0400 |
|---|---|---|
| committer | Ard Biesheuvel <ardb@kernel.org> | 2020-04-23 20:15:06 +0200 |
| commit | 8e0a22e2b0531870e61110d12b1d37d6b5d24eed (patch) | |
| tree | a72951d0ad95f995e48397a7287380cc049669a9 /drivers/firmware/efi/libstub/gop.c | |
| parent | ecf53091f34af7172322ed40cfb5acf487329561 (diff) | |
| download | linux-stable-8e0a22e2b0531870e61110d12b1d37d6b5d24eed.tar.gz linux-stable-8e0a22e2b0531870e61110d12b1d37d6b5d24eed.tar.bz2 linux-stable-8e0a22e2b0531870e61110d12b1d37d6b5d24eed.zip | |
efi/gop: Slightly re-arrange logic of find_gop
Small cleanup to get rid of conout_found.
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Link: https://lore.kernel.org/r/20200320020028.1936003-6-nivedita@alum.mit.edu
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Diffstat (limited to 'drivers/firmware/efi/libstub/gop.c')
| -rw-r--r-- | drivers/firmware/efi/libstub/gop.c | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/drivers/firmware/efi/libstub/gop.c b/drivers/firmware/efi/libstub/gop.c index 92abcf558845..a7d3efe36c78 100644 --- a/drivers/firmware/efi/libstub/gop.c +++ b/drivers/firmware/efi/libstub/gop.c @@ -99,7 +99,6 @@ find_gop(efi_guid_t *proto, unsigned long size, void **handles) for_each_efi_handle(h, handles, size, i) { efi_guid_t conout_proto = EFI_CONSOLE_OUT_DEVICE_GUID; - bool conout_found = false; void *dummy = NULL; status = efi_bs_call(handle_protocol, h, proto, (void **)&gop); @@ -111,25 +110,22 @@ find_gop(efi_guid_t *proto, unsigned long size, void **handles) if (info->pixel_format == PIXEL_BLT_ONLY) continue; + /* + * Systems that use the UEFI Console Splitter may + * provide multiple GOP devices, not all of which are + * backed by real hardware. The workaround is to search + * for a GOP implementing the ConOut protocol, and if + * one isn't found, to just fall back to the first GOP. + * + * Once we've found a GOP supporting ConOut, + * don't bother looking any further. + */ status = efi_bs_call(handle_protocol, h, &conout_proto, &dummy); if (status == EFI_SUCCESS) - conout_found = true; - - if (!first_gop || conout_found) { - /* - * Systems that use the UEFI Console Splitter may - * provide multiple GOP devices, not all of which are - * backed by real hardware. The workaround is to search - * for a GOP implementing the ConOut protocol, and if - * one isn't found, to just fall back to the first GOP. - * - * Once we've found a GOP supporting ConOut, - * don't bother looking any further. - */ + return gop; + + if (!first_gop) first_gop = gop; - if (conout_found) - break; - } } return first_gop; |