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path: root/drivers/firmware/dmi_scan.c
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Diffstat (limited to 'drivers/firmware/dmi_scan.c')
-rw-r--r--drivers/firmware/dmi_scan.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index 4a597d8c2f7..78b989d202a 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -582,3 +582,19 @@ int dmi_walk(void (*decode)(const struct dmi_header *))
return 0;
}
EXPORT_SYMBOL_GPL(dmi_walk);
+
+/**
+ * dmi_match - compare a string to the dmi field (if exists)
+ *
+ * Returns true if the requested field equals to the str (including NULL).
+ */
+bool dmi_match(enum dmi_field f, const char *str)
+{
+ const char *info = dmi_get_system_info(f);
+
+ if (info == NULL || str == NULL)
+ return info == str;
+
+ return !strcmp(info, str);
+}
+EXPORT_SYMBOL_GPL(dmi_match);