path: root/fs
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authorBen Hutchings <ben@decadent.org.uk>2013-04-30 15:27:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-30 17:04:04 -0700
commit79bae42d51a5d498500c890c19ef76df41d2bf59 (patch)
treecf36c042e863100e2bc30a2ff8b4f3510bf7367d /fs
parentc1d025e22e0ef167a4589cf5a6b2a32bfef0472c (diff)
dmi_scan: refactor dmi_scan_machine(), {smbios,dmi}_present()
Move the calls to memcpy_fromio() up into the loop in dmi_scan_machine(), and move the signature checks back down into dmi_decode(). We need to check at 16-byte intervals but keep a 32-byte buffer for an SMBIOS entry, so shift the buffer after each iteration. Merge smbios_present() into dmi_present(), so we look for an SMBIOS signature at the beginning of the given buffer and then for a DMI signature at an offset of 16 bytes. [artem.savkov@gmail.com: use proper buf type in dmi_present()] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Reported-by: Tim McGrath <tmhikaru@gmail.com> Tested-by: Tim Mcgrath <tmhikaru@gmail.com> Cc: Zhenzhong Duan <zhenzhong.duan@oracle.com> Signed-off-by: Artem Savkov <artem.savkov@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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