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| author | Michael Brown | 2014-01-08 23:21:23 +0100 |
|---|---|---|
| committer | Michael Brown | 2014-01-12 22:53:10 +0100 |
| commit | 97fd5ccdd86f4c84b128e905c663b2bd7e6397fe (patch) | |
| tree | f345f664066e7681b1166acb7c1ba1a74188499f /src/crypto | |
| parent | [deflate] Add support for DEFLATE decompression (diff) | |
| download | ipxe-97fd5ccdd86f4c84b128e905c663b2bd7e6397fe.tar.gz ipxe-97fd5ccdd86f4c84b128e905c663b2bd7e6397fe.tar.xz ipxe-97fd5ccdd86f4c84b128e905c663b2bd7e6397fe.zip | |
[deflate] Fix literal data length calculation
Fix incorrect calculation used to determine length of data to be
copied within a literal data block, and add a test case to prevent
this bug from going undetected in future.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/crypto')
| -rw-r--r-- | src/crypto/deflate.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/crypto/deflate.c b/src/crypto/deflate.c index 1854eff4..91a48996 100644 --- a/src/crypto/deflate.c +++ b/src/crypto/deflate.c @@ -609,7 +609,7 @@ int deflate_inflate ( struct deflate *deflate, /* Calculate available amount of literal data */ in_remaining = ( in->len - in->offset ); len = deflate->remaining; - if ( len < in_remaining ) + if ( len > in_remaining ) len = in_remaining; /* Copy data to output buffer */ |