[PATCH 2/2] USB: usbmon: remove assignment from IS_ERR argument

From: Julia Lawall
Date: Sat Dec 26 2015 - 17:11:42 EST


The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e1,e2;
statement S1,S2;
@@

+e1 = e2;
if (IS_ERR(
e1
- = e2
)) S1 else S2
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>

---
drivers/usb/mon/mon_text.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c
index 98e4f63..e59334b 100644
--- a/drivers/usb/mon/mon_text.c
+++ b/drivers/usb/mon/mon_text.c
@@ -387,7 +387,8 @@ static ssize_t mon_text_read_t(struct file *file, char __user *buf,
struct mon_event_text *ep;
struct mon_text_ptr ptr;

- if (IS_ERR(ep = mon_text_read_wait(rp, file)))
+ ep = mon_text_read_wait(rp, file);
+ if (IS_ERR(ep))
return PTR_ERR(ep);
mutex_lock(&rp->printf_lock);
ptr.cnt = 0;
@@ -414,7 +415,8 @@ static ssize_t mon_text_read_u(struct file *file, char __user *buf,
struct mon_event_text *ep;
struct mon_text_ptr ptr;

- if (IS_ERR(ep = mon_text_read_wait(rp, file)))
+ ep = mon_text_read_wait(rp, file);
+ if (IS_ERR(ep))
return PTR_ERR(ep);
mutex_lock(&rp->printf_lock);
ptr.cnt = 0;

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