[PATCH 1/1] cdrom: Remove unused variable using Coccinelle

From: Shyam Saini
Date: Sun Oct 09 2016 - 21:21:05 EST


The variable tocuse is initialized but never used otherwise.

semantic patch used for this change is as follows:

// <smpl>
@@
type T;
identifier i;
constant C;
@@

(
extern T i;
|
- T i;
<+... when != i
- i = C;
...+>
)
// </smpl>

Signed-off-by: Shyam Saini <mayhs11saini@xxxxxxxxx>
---
drivers/cdrom/gdrom.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index 584bc31..4a9d5ee 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -332,15 +332,13 @@ static int get_entry_track(int track)
static int gdrom_get_last_session(struct cdrom_device_info *cd_info,
struct cdrom_multisession *ms_info)
{
- int fentry, lentry, track, data, tocuse, err;
+ int fentry, lentry, track, data, err;
if (!gd.toc)
return -ENOMEM;
- tocuse = 1;
/* Check if GD-ROM */
err = gdrom_readtoc_cmd(gd.toc, 1);
/* Not a GD-ROM so check if standard CD-ROM */
if (err) {
- tocuse = 0;
err = gdrom_readtoc_cmd(gd.toc, 0);
if (err) {
pr_info("Could not get CD table of contents\n");
--
2.7.4