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authorJean Delvare <jdelvare@suse.de>2017-06-15 13:46:00 +0200
committerJean Delvare <jdelvare@suse.de>2017-06-15 13:46:00 +0200
commitc9aba14362a6eec583819ec8f4b872c1816f5cbe (patch)
tree980a76f0254ae4740ee568b58241443e8957207f /fs/squashfs/dir.c
parent3c2993b8c6143d8a5793746a54eba8f86f95240f (diff)
firmware: dmi_scan: Look for SMBIOS 3 entry point first
Since version 3.0.0 of the SMBIOS specification, there can be multiple entry points in memory, pointing to one or two DMI tables. If both a 32-bit ("_SM_") entry point and a 64-bit ("_SM3_") entry point are present, the specification requires that the latter points to a table which is a super-set of the table pointed to by the former. Therefore we should give preference to the 64-bit ("_SM3_") entry point. However, currently the code is picking the first valid entry point it finds. Per specification, we should look for a 64-bit ("_SM3_") entry point first, and if we can't find any, look for a 32-bit ("_SM_" or "_DMI_") entry point. Modify the code to do that. Signed-off-by: Jean Delvare <jdelvare@suse.de>
Diffstat (limited to 'fs/squashfs/dir.c')
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