diff options
| author | Juerg Haefliger <juerg.haefliger@canonical.com> | 2021-05-11 09:18:12 +0300 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2021-06-21 09:49:03 +0300 |
| commit | 3bb21781d13516baf14dc051dbe2b3145c704cda (patch) | |
| tree | 60a0b0c558688435c85d38bd5f6ae04e9fb34c0c /drivers/watchdog/aspeed_wdt.c | |
| parent | d0212f095ab56672f6f36aabc605bda205e1e0bf (diff) | |
| download | linux-3bb21781d13516baf14dc051dbe2b3145c704cda.tar.xz | |
watchdog: Use sysfs_emit() and sysfs_emit_at() in "show" functions
Convert sprintf() in sysfs "show" functions to sysfs_emit() and
sysfs_emit_at() in order to check for buffer overruns in sysfs outputs.
Signed-off-by: Juerg Haefliger <juergh@canonical.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210511061812.480172-1-juergh@canonical.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog/aspeed_wdt.c')
| -rw-r--r-- | drivers/watchdog/aspeed_wdt.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c index 7e00960651fa..933998e5a9de 100644 --- a/drivers/watchdog/aspeed_wdt.c +++ b/drivers/watchdog/aspeed_wdt.c @@ -175,8 +175,8 @@ static ssize_t access_cs0_show(struct device *dev, struct aspeed_wdt *wdt = dev_get_drvdata(dev); u32 status = readl(wdt->base + WDT_TIMEOUT_STATUS); - return sprintf(buf, "%u\n", - !(status & WDT_TIMEOUT_STATUS_BOOT_SECONDARY)); + return sysfs_emit(buf, "%u\n", + !(status & WDT_TIMEOUT_STATUS_BOOT_SECONDARY)); } static ssize_t access_cs0_store(struct device *dev, |