efi_loader: fix unreachable statement in efi_sigstore_parse_siglist
authorAKASHI Takahiro <takahiro.akashi@linaro.org>
Tue, 21 Apr 2020 00:38:57 +0000 (09:38 +0900)
committerHeinrich Schuchardt <xypron.glpk@gmx.de>
Mon, 4 May 2020 10:26:11 +0000 (12:26 +0200)
commit964d5326c91ab1fd891a26cbd7a1c98b7fc42014
treea24bdad3435092abf4e0bd863a41066ca5332c99
parente3f5c9cb0fcc95aa9287b5f8609294fe1a59b9da
efi_loader: fix unreachable statement in efi_sigstore_parse_siglist

"if (left < esl->signature_size)" is not reachable in a while loop.
But it is still valuable in case that a given signature database is
somehow corrupted. So fix the while loop condition.

Reported-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
lib/efi_loader/efi_signature.c