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efi/gop: Return EFI_SUCCESS if a usable GOP was found

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[ Upstream commit dbd89c303b4420f6cdb689fd398349fc83b059dd ]

If we've found a usable instance of the Graphics Output Protocol
(GOP) with a framebuffer, it is possible that one of the later EFI
calls fails while checking if any support console output. In this
case status may be an EFI error code even though we found a usable
GOP.

Fix this by explicitly return EFI_SUCCESS if a usable GOP has been
located.

Signed-off-by: Arvind Sankar <[email protected]>
Signed-off-by: Ard Biesheuvel <[email protected]>
Cc: Andy Shevchenko <[email protected]>
Cc: Bhupesh Sharma <[email protected]>
Cc: Masayoshi Mizuma <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Arvind Sankar 2019-12-06 16:55:39 +00:00 • committed by Greg Kroah-Hartman
commit 60bb249c73
1 changed files with 2 additions and 2 deletions
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4
drivers/firmware/efi/libstub/gop.c
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@ -198,7 +198,7 @@ setup_gop32(efi_system_table_t *sys_table_arg, struct screen_info *si,
si->capabilities |= VIDEO_CAPABILITY_SKIP_QUIRKS;
return status;
return EFI_SUCCESS;
}
static efi_status_t
@ -316,7 +316,7 @@ setup_gop64(efi_system_table_t *sys_table_arg, struct screen_info *si,
si->capabilities |= VIDEO_CAPABILITY_SKIP_QUIRKS;
return status;
return EFI_SUCCESS;
}
/*