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authorArd Biesheuvel <ardb@kernel.org>2022-10-20 11:26:42 +0200
committerArd Biesheuvel <ardb@kernel.org>2022-10-21 11:09:41 +0200
commit53a7ea284de9eabc0e3b7dee54c2cb670b8e087a (patch)
tree560d3781a671108fc25817a347edd582f99e38af /drivers
parentdb14655ad7854b69a2efda348e30d02dbc19e8a1 (diff)
efi: libstub: Fix incorrect payload size in zboot header
The linker script symbol definition that captures the size of the compressed payload inside the zboot decompressor (which is exposed via the image header) refers to '.' for the end of the region, which does not give the correct result as the expression is not placed at the end of the payload. So use the symbol name explicitly. Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/firmware/efi/libstub/zboot.lds3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/firmware/efi/libstub/zboot.lds b/drivers/firmware/efi/libstub/zboot.lds
index 87a62765bafd..93d33f68333b 100644
--- a/drivers/firmware/efi/libstub/zboot.lds
+++ b/drivers/firmware/efi/libstub/zboot.lds
@@ -38,7 +38,8 @@ SECTIONS
}
}
-PROVIDE(__efistub__gzdata_size = ABSOLUTE(. - __efistub__gzdata_start));
+PROVIDE(__efistub__gzdata_size =
+ ABSOLUTE(__efistub__gzdata_end - __efistub__gzdata_start));
PROVIDE(__data_rawsize = ABSOLUTE(_edata - _etext));
PROVIDE(__data_size = ABSOLUTE(_end - _etext));