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authorLasse Collin <lasse.collin@tukaani.org>2011-01-12 17:01:21 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 08:03:24 -0800
commitfb7fa589fd3ecc212fabd7867a4ecc3b175260c1 (patch)
tree785e193aaaf9537136140084f8cf2f5ea0d1fb9f /usr
parent5a3f81a7029daff5f08aad146f4c4510e790da49 (diff)
download96b-common-fb7fa589fd3ecc212fabd7867a4ecc3b175260c1.tar.gz
Decompressors: fix callback-to-callback mode in decompress_unlzo.c
Callback-to-callback decompression mode is used for initrd (not initramfs). The LZO wrapper is broken for this use case for two reasons: - The argument validation is needlessly too strict by requiring that "posp" is non-NULL when "fill" is non-NULL. - The buffer handling code didn't work at all for this use case. I tested with LZO-compressed kernel, initramfs, initrd, and corrupt (truncated) initramfs and initrd images. Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Alain Knaff <alain@knaff.lu> Cc: Albin Tonnerre <albin.tonnerre@free-electrons.com> Cc: Phillip Lougher <phillip@lougher.demon.co.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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