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-rw-r--r--security/tomoyo/common.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index 96b7233a0df6..d41900de8a69 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -2591,6 +2591,7 @@ ssize_t tomoyo_write_control(struct tomoyo_io_buffer *head,
return -EFAULT;
if (mutex_lock_interruptible(&head->io_sem))
return -EINTR;
+ head->read_user_buf_avail = 0;
idx = tomoyo_read_lock();
/* Read a line and dispatch it to the policy handler. */
while (avail_len > 0) {