w1_therm_read_bin: don't call flush_signals()

This can disrupt userspace signal management.

Signed-off-by: Evgeniy Polyakov <[email protected]>
Cc: Roland McGrath <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c
index 732db4780042b6da2ecde6d7b7b2687c342cfc55..1a6937dc190b777369eac30ace6ea0aa665963bc 100644 (file)
--- a/drivers/w1/slaves/w1_therm.c
+++ b/drivers/w1/slaves/w1_therm.c
@@ -191,11 +191,7 @@ static ssize_t w1_therm_read_bin(struct kobject *kobj, char *buf, loff_t off, si
 
                        w1_write_8(dev, W1_CONVERT_TEMP);
 
-                       while (tm) {
-                               tm = msleep_interruptible(tm);
-                               if (signal_pending(current))
-                                       flush_signals(current);
-                       }
+                       msleep(tm);
 
                        if (!w1_reset_select_slave(sl)) {