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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-04-07 11:07:20 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-04-07 11:07:20 +0200 |
commit | b3e3bf2ef2c74f5ce5c19510edbbb9bfc1d249c2 (patch) | |
tree | 0fb24ebf81227b9f05e44f717a8c4997d837b667 /drivers/firmware | |
parent | tty: clean up the tty time logic a bit (diff) | |
parent | Linux 4.0-rc7 (diff) | |
download | linux-b3e3bf2ef2c74f5ce5c19510edbbb9bfc1d249c2.tar.xz linux-b3e3bf2ef2c74f5ce5c19510edbbb9bfc1d249c2.zip |
Merge 4.0-rc7 into tty-next
We want the fixes in here as well, also to help out with merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/firmware')
-rw-r--r-- | drivers/firmware/dmi_scan.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 69fac068669f..2eebd28b4c40 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -86,10 +86,13 @@ static void dmi_table(u8 *buf, u32 len, int num, int i = 0; /* - * Stop when we see all the items the table claimed to have - * OR we run off the end of the table (also happens) + * Stop when we have seen all the items the table claimed to have + * (SMBIOS < 3.0 only) OR we reach an end-of-table marker OR we run + * off the end of the table (should never happen but sometimes does + * on bogus implementations.) */ - while ((i < num) && (data - buf + sizeof(struct dmi_header)) <= len) { + while ((!num || i < num) && + (data - buf + sizeof(struct dmi_header)) <= len) { const struct dmi_header *dm = (const struct dmi_header *)data; /* @@ -529,21 +532,10 @@ static int __init dmi_smbios3_present(const u8 *buf) if (memcmp(buf, "_SM3_", 5) == 0 && buf[6] < 32 && dmi_checksum(buf, buf[6])) { dmi_ver = get_unaligned_be16(buf + 7); + dmi_num = 0; /* No longer specified */ dmi_len = get_unaligned_le32(buf + 12); dmi_base = get_unaligned_le64(buf + 16); - /* - * The 64-bit SMBIOS 3.0 entry point no longer has a field - * containing the number of structures present in the table. - * Instead, it defines the table size as a maximum size, and - * relies on the end-of-table structure type (#127) to be used - * to signal the end of the table. - * So let's define dmi_num as an upper bound as well: each - * structure has a 4 byte header, so dmi_len / 4 is an upper - * bound for the number of structures in the table. - */ - dmi_num = dmi_len / 4; - if (dmi_walk_early(dmi_decode) == 0) { pr_info("SMBIOS %d.%d present.\n", dmi_ver >> 8, dmi_ver & 0xFF); |