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net: dsa: mv88e6xxx: Use kcalloc()

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Use kcalloc() instead of hand writing it. This is less verbose.

Also move the initialization of 'count' to save some LoC.

On a x86_64, with allmodconfig, as an example:
Before:
======
   text	   data	    bss	    dec	    hex	filename
  18652	   5920	     64	  24636	   603c	drivers/net/dsa/mv88e6xxx/devlink.o

After:
=====
   text	   data	    bss	    dec	    hex	filename
  18498	   5920	     64	  24482	   5fa2	drivers/net/dsa/mv88e6xxx/devlink.o

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/2f4fca4ff84950da71e007c9169f18a0272476f3.1751200453.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Christophe JAILLET 2025-06-29 14:35:50 +02:00 committed by Jakub Kicinski
parent ff2d4cfdaf
commit a63b5a0bb7
1 changed files with 4 additions and 9 deletions
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13
drivers/net/dsa/mv88e6xxx/devlink.c
View File

@ -376,19 +376,14 @@ static int mv88e6xxx_region_atu_snapshot(struct devlink *dl,
struct dsa_switch *ds = dsa_devlink_to_ds(dl);
struct mv88e6xxx_devlink_atu_entry *table;
struct mv88e6xxx_chip *chip = ds->priv;
int fid = -1, err = 0, count;
int fid = -1, err = 0, count = 0;
table = kmalloc_array(mv88e6xxx_num_databases(chip),
sizeof(struct mv88e6xxx_devlink_atu_entry),
GFP_KERNEL);
table = kcalloc(mv88e6xxx_num_databases(chip),
sizeof(struct mv88e6xxx_devlink_atu_entry),
GFP_KERNEL);
if (!table)
return -ENOMEM;
memset(table, 0, mv88e6xxx_num_databases(chip) *
sizeof(struct mv88e6xxx_devlink_atu_entry));
count = 0;
mv88e6xxx_reg_lock(chip);
while (1) {