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| author | Juerg Haefliger <juerg.haefliger@canonical.com> | 2021-05-11 08:18:12 +0200 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2021-06-21 08:49:03 +0200 |
| commit | 3bb21781d13516baf14dc051dbe2b3145c704cda (patch) | |
| tree | 60a0b0c558688435c85d38bd5f6ae04e9fb34c0c /drivers/watchdog/ziirave_wdt.c | |
| parent | d0212f095ab56672f6f36aabc605bda205e1e0bf (diff) | |
| download | linux-3bb21781d13516baf14dc051dbe2b3145c704cda.tar.gz | |
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/ziirave_wdt.c')
| -rw-r--r-- | drivers/watchdog/ziirave_wdt.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/watchdog/ziirave_wdt.c b/drivers/watchdog/ziirave_wdt.c index 4297280807ca..6c9414d09684 100644 --- a/drivers/watchdog/ziirave_wdt.c +++ b/drivers/watchdog/ziirave_wdt.c @@ -445,8 +445,9 @@ static ssize_t ziirave_wdt_sysfs_show_firm(struct device *dev, if (ret) return ret; - ret = sprintf(buf, ZIIRAVE_FW_VERSION_FMT, w_priv->firmware_rev.major, - w_priv->firmware_rev.minor); + ret = sysfs_emit(buf, ZIIRAVE_FW_VERSION_FMT, + w_priv->firmware_rev.major, + w_priv->firmware_rev.minor); mutex_unlock(&w_priv->sysfs_mutex); @@ -468,8 +469,9 @@ static ssize_t ziirave_wdt_sysfs_show_boot(struct device *dev, if (ret) return ret; - ret = sprintf(buf, ZIIRAVE_BL_VERSION_FMT, w_priv->bootloader_rev.major, - w_priv->bootloader_rev.minor); + ret = sysfs_emit(buf, ZIIRAVE_BL_VERSION_FMT, + w_priv->bootloader_rev.major, + w_priv->bootloader_rev.minor); mutex_unlock(&w_priv->sysfs_mutex); @@ -491,7 +493,7 @@ static ssize_t ziirave_wdt_sysfs_show_reason(struct device *dev, if (ret) return ret; - ret = sprintf(buf, "%s", ziirave_reasons[w_priv->reset_reason]); + ret = sysfs_emit(buf, "%s", ziirave_reasons[w_priv->reset_reason]); mutex_unlock(&w_priv->sysfs_mutex); |