Thread (2 messages) 2 messages, 2 authors, 2021-05-17

Re: [PATCH v2] drivers: pnp: proc.c: Removed unnecessary variables

From: "Rafael J. Wysocki" <rafael@kernel.org>
Date: 2021-05-17 14:59:23
Also in: lkml

On Wed, Apr 28, 2021 at 9:39 PM Anupama K Patil
[off-list ref] wrote:
quoted hunk ↗ jump to hunk
de, e are two variables of the type 'struct proc_dir_entry'
which can be removed to save memory. This also fixes a coding style
issue reported by checkpatch where we are suggested to make assignment
outside the if statement.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Anupama K Patil <redacted>
---
v2: Added Reviewed-by: tag

 drivers/pnp/isapnp/proc.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/pnp/isapnp/proc.c b/drivers/pnp/isapnp/proc.c
index 785a796430fa..1ae458c02656 100644
--- a/drivers/pnp/isapnp/proc.c
+++ b/drivers/pnp/isapnp/proc.c
@@ -57,21 +57,20 @@ static const struct proc_ops isapnp_proc_bus_proc_ops = {
 static int isapnp_proc_attach_device(struct pnp_dev *dev)
 {
        struct pnp_card *bus = dev->card;
-       struct proc_dir_entry *de, *e;
        char name[16];

-       if (!(de = bus->procdir)) {
+       if (!bus->procdir) {
                sprintf(name, "%02x", bus->number);
-               de = bus->procdir = proc_mkdir(name, isapnp_proc_bus_dir);
-               if (!de)
+               bus->procdir = proc_mkdir(name, isapnp_proc_bus_dir);
+               if (!bus->procdir)
                        return -ENOMEM;
        }
        sprintf(name, "%02x", dev->number);
-       e = dev->procent = proc_create_data(name, S_IFREG | S_IRUGO, de,
+       dev->procent = proc_create_data(name, S_IFREG | S_IRUGO, bus->procdir,
                                            &isapnp_proc_bus_proc_ops, dev);
-       if (!e)
+       if (!dev->procent)
                return -ENOMEM;
-       proc_set_size(e, 256);
+       proc_set_size(dev->procent, 256);
        return 0;
 }

--
Applied as 5.14 material with edits in the subject and changelog, thanks!
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