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libxc: fix retrieval of and remove pointless check on gzip size
Coverity-ID: 1055587 Coverity-ID: 1055963 Signed-off-by: Matthew Daley <mattjd@gmail.com> Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com>
This commit is contained in:
Matthew Daley authored and Ian Campbell committed
1 parent
02ebea7768
commit
e9fa4c8636
1 file changed
+2
-2
@@ -294,8 +294,8 @@ size_t xc_dom_check_gzip(xc_interface *xch, void *blob, size_t ziplen)
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return 0;
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gzlen = blob + ziplen - 4;
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unziplen = gzlen[3] << 24 | gzlen[2] << 16 | gzlen[1] << 8 | gzlen[0];
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if ( (unziplen < 0) || (unziplen > XC_DOM_DECOMPRESS_MAX) )
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unziplen = (size_t)gzlen[3] << 24 | gzlen[2] << 16 | gzlen[1] << 8 | gzlen[0];
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if ( unziplen > XC_DOM_DECOMPRESS_MAX )
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{
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xc_dom_printf
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(xch,
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