Messages in this thread Patch in this message | | | From | Jiri Slaby <> | Subject | [PATCH 1/2] DMI: add dmi_match | Date | Tue, 9 Dec 2008 21:52:27 +0100 |
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Add a wrapper for testing system_info which will handle also NULL system infos.
This will be used by the ata PIIX driver.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Jeff Garzik <jgarzik@redhat.com> Cc: Alexandru Romanescu <a_romanescu@yahoo.co.uk> Cc: Tejun Heo <tj@kernel.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> --- include/linux/dmi.h | 17 +++++++++++++++++ 1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/include/linux/dmi.h b/include/linux/dmi.h index 2bfda17..9bdb4b9 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -48,6 +48,21 @@ extern int dmi_name_in_serial(const char *str); extern int dmi_available; extern int dmi_walk(void (*decode)(const struct dmi_header *)); +/** + * dmi_match - compare string to the dmi field (if exists) + * + * Returns true if requested field equals to str (including NULL). + */ +static inline 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); +} + #else static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; } @@ -61,6 +76,8 @@ static inline int dmi_name_in_serial(const char *s) { return 0; } #define dmi_available 0 static inline int dmi_walk(void (*decode)(const struct dmi_header *)) { return -1; } +static inline bool dmi_match(enum dmi_field f, const char *str) + { return false; } #endif -- 1.6.0.5
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