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watchdog: mei_wdt: don't use of variable length array

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Fixes sparse warning:
drivers/watchdog/mei_wdt.c:530:18: warning: Variable length array is used

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Alexander Usyskin <alexander.usyskin@intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Tomas Winkler 2017-10-29 09:51:19 +02:00 committed by Wim Van Sebroeck
parent 788c2fdb4f
commit 7692a98269
1 changed files with 3 additions and 4 deletions
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7
drivers/watchdog/mei_wdt.c
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@ -526,12 +526,11 @@ static ssize_t mei_dbgfs_read_state(struct file *file, char __user *ubuf,
size_t cnt, loff_t *ppos)
{
struct mei_wdt *wdt = file->private_data;
const size_t bufsz = 32;
char buf[bufsz];
char buf[32];
ssize_t pos;
pos = scnprintf(buf, bufsz, "state: %s\n",
mei_wdt_state_str(wdt->state));
pos = scnprintf(buf, sizeof(buf), "state: %s\n",
mei_wdt_state_str(wdt->state));
return simple_read_from_buffer(ubuf, cnt, ppos, buf, pos);
}