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xen: Add __attribute__((format(printf... where appropriate

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Use the compiler to verify printf formats and arguments.

Fix fallout.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Joe Perches 2011-06-12 09:21:13 -07:00 committed by Konrad Rzeszutek Wilk
parent f7fdd84e04
commit 08b8bfc1c6
3 changed files with 6 additions and 2 deletions
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2
drivers/block/xen-blkback/xenbus.c
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@ -684,7 +684,7 @@ again:
err = xenbus_switch_state(dev, XenbusStateConnected); err = xenbus_switch_state(dev, XenbusStateConnected);
if (err) if (err)
xenbus_dev_fatal(dev, err, "switching to Connected state", xenbus_dev_fatal(dev, err, "%s: switching to Connected state",
dev->nodename); dev->nodename);
return; return;

4
include/xen/hvc-console.h
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@ -6,11 +6,13 @@ extern struct console xenboot_console;
#ifdef CONFIG_HVC_XEN #ifdef CONFIG_HVC_XEN
void xen_console_resume(void); void xen_console_resume(void);
void xen_raw_console_write(const char *str); void xen_raw_console_write(const char *str);
__attribute__((format(printf, 1, 2)))
void xen_raw_printk(const char *fmt, ...); void xen_raw_printk(const char *fmt, ...);
#else #else
static inline void xen_console_resume(void) { } static inline void xen_console_resume(void) { }
static inline void xen_raw_console_write(const char *str) { } static inline void xen_raw_console_write(const char *str) { }
static inline void xen_raw_printk(const char *fmt, ...) { } static inline __attribute__((format(printf, 1, 2)))
void xen_raw_printk(const char *fmt, ...) { }
#endif #endif
#endif /* XEN_HVC_CONSOLE_H */ #endif /* XEN_HVC_CONSOLE_H */

2
include/xen/xenbus.h
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@ -223,7 +223,9 @@ int xenbus_free_evtchn(struct xenbus_device *dev, int port);
enum xenbus_state xenbus_read_driver_state(const char *path); enum xenbus_state xenbus_read_driver_state(const char *path);
__attribute__((format(printf, 3, 4)))
void xenbus_dev_error(struct xenbus_device *dev, int err, const char *fmt, ...); void xenbus_dev_error(struct xenbus_device *dev, int err, const char *fmt, ...);
__attribute__((format(printf, 3, 4)))
void xenbus_dev_fatal(struct xenbus_device *dev, int err, const char *fmt, ...); void xenbus_dev_fatal(struct xenbus_device *dev, int err, const char *fmt, ...);
const char *xenbus_strstate(enum xenbus_state state); const char *xenbus_strstate(enum xenbus_state state);