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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-13 16:32:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-13 16:32:16 -0700 |
| commit | 71893f116109c92e4cd230d990fad5bd7cb4f99d (patch) | |
| tree | 4c9b5b407907f3a7aaa2370fbe98e18e4dfaed66 /drivers/firmware | |
| parent | Merge tag 'chrome-platform-for-linus-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform (diff) | |
| parent | firmware: dmi_scan: Use lowercase letters for UUID (diff) | |
| download | linux-dev-71893f116109c92e4cd230d990fad5bd7cb4f99d.tar.xz linux-dev-71893f116109c92e4cd230d990fad5bd7cb4f99d.zip | |
Merge branch 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull dmi updates from Jean Delvare.
* 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
firmware: dmi_scan: Use lowercase letters for UUID
firmware: dmi_scan: Add DMI_OEM_STRING support to dmi_matches
firmware: dmi_scan: Fix UUID length safety check
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/dmi_scan.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 6feeacbe4d97..54e66adef252 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -187,7 +187,7 @@ static void __init dmi_save_uuid(const struct dmi_header *dm, int slot, char *s; int is_ff = 1, is_00 = 1, i; - if (dmi_ident[slot] || dm->length <= index + 16) + if (dmi_ident[slot] || dm->length < index + 16) return; d = (u8 *) dm + index; @@ -211,9 +211,9 @@ static void __init dmi_save_uuid(const struct dmi_header *dm, int slot, * says that this is the defacto standard. */ if (dmi_ver >= 0x020600) - sprintf(s, "%pUL", d); + sprintf(s, "%pUl", d); else - sprintf(s, "%pUB", d); + sprintf(s, "%pUb", d); dmi_ident[slot] = s; } @@ -792,7 +792,15 @@ static bool dmi_matches(const struct dmi_system_id *dmi) int s = dmi->matches[i].slot; if (s == DMI_NONE) break; - if (dmi_ident[s]) { + if (s == DMI_OEM_STRING) { + /* DMI_OEM_STRING must be exact match */ + const struct dmi_device *valid; + + valid = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, + dmi->matches[i].substr, NULL); + if (valid) + continue; + } else if (dmi_ident[s]) { if (dmi->matches[i].exact_match) { if (!strcmp(dmi_ident[s], dmi->matches[i].substr)) |