[PATCH 3.16 338/410] USB: usbmon: remove assignment from IS_ERR argument
From: Ben Hutchings
Date: Thu Jun 07 2018 - 10:26:50 EST
3.16.57-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Julia Lawall <Julia.Lawall@xxxxxxx>
commit 46c236dc7d1212d7417e6fb0317f91c44c719322 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
drivers/usb/mon/mon_text.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/usb/mon/mon_text.c
+++ b/drivers/usb/mon/mon_text.c
@@ -386,7 +386,8 @@ static ssize_t mon_text_read_t(struct fi
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;
@@ -413,7 +414,8 @@ static ssize_t mon_text_read_u(struct fi
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;