coccinelle: device_attr_show: Remove useless expression STR
Commit ff82e84e80fc ("coccinelle: device_attr_show: simplify patch case")
simplifies the patch case, as a result, STR is no longer needed.
This also helps to fix below coccicheck warning:
> warning: rp: metavariable STR not used in the - or context code
CC: Julia Lawall <Julia.Lawall@inria.fr>
CC: Nicolas Palix <nicolas.palix@imag.fr>
CC: cocci@inria.fr
Fixes: ff82e84e80fc ("coccinelle: device_attr_show: simplify patch case")
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
diff --git a/scripts/coccinelle/api/device_attr_show.cocci b/scripts/coccinelle/api/device_attr_show.cocci
index 550d1d2..dfcf930 100644
--- a/scripts/coccinelle/api/device_attr_show.cocci
+++ b/scripts/coccinelle/api/device_attr_show.cocci
@@ -28,7 +28,7 @@
@rp depends on patch@
identifier show, dev, attr, buf;
-expression BUF, SZ, FORMAT, STR;
+expression BUF, SZ, FORMAT;
@@
ssize_t show(struct device *dev, struct device_attribute *attr, char *buf)
