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In function zlib_decompress_file, when gzdirect(fp) fails,
we should gzclose fp before return.
Fixes: d606837b56d46 ("Fix zlib/lzma decompression.")
Signed-off-by: qiuguorui1 <qiuguorui1@huawei.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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This patch adds 'is_zlib_file()' helper function which can be
used to quickly determine with the passed kernel image is a zlib
compressed kernel image.
This is specifically useful for arm64 zImage (or Image.gz) support,
which is introduced by later patches in this patchset.
Signed-off-by: Bhupesh Sharma <bhsharma@redhat.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Fix warnings caused by selecting 64-bit file IO on 32-bit platforms.
kexec/kexec.c:710:2: warning: format '%lx' expects argument of type 'long unsigned int', but argument 4 has type 'off_t' [-Wformat]
kexec/zlib.c:63:4: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'off_t' [-Wformat]
kexec/kexec-uImage.c:85:3: warning: format '%ld' expects argument of type 'long
int', but argument 2 has type 'off_t' [-Wformat]
Acked-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Let {zlib,lzma}_decompress_file() return NULL if anything wrong happened
to allow the other method to have a chance to run.
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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This patch allows one to load a lzma compressed kernel using kexec -l.
As I wanted the lzma code to be very similar to the existing
zlib slurp_decompress I took lzread and associated routines
from the cpio lzma support. Tested on my x86 laptop using the
following commands:
lzma e bzImage bzImage.lzma
kexec -l bzImage.lzma
Having lzma support is particularly useful on some embedded
systems on which we have the kernel already lzma compressed
and available on a mtd partition.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Simon Horman <horms@verge.net.au>
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