The random_ioctl is registered as an ioctl function but it does not
require BKL to be held when called. Changing it as an unlocked_ioctl
function.
Signed-off-by: Nikanth Karthikesan <knikanth@xxxxxxx>
---
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 5fee056..2446e14 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1065,9 +1065,8 @@ random_write(struct file * file, const char __user * buffer,
return (ssize_t)count;
}
-static int
-random_ioctl(struct inode * inode, struct file * file,
- unsigned int cmd, unsigned long arg)
+static long
+random_ioctl(struct file * file, unsigned int cmd, unsigned long arg)
{
int size, ent_count;
int __user *p = (int __user *)arg;
@@ -1131,13 +1130,13 @@ const struct file_operations random_fops = {
.read = random_read,
.write = random_write,
.poll = random_poll,
- .ioctl = random_ioctl,
+ .unlocked_ioctl = random_ioctl,
};
const struct file_operations urandom_fops = {
.read = urandom_read,
.write = random_write,
- .ioctl = random_ioctl,
+ .unlocked_ioctl = random_ioctl,
};
/***************************************************************
-
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