In the unlikely event where 'devm_kzalloc()' fails and 'kzalloc()'
succeeds, 'port' would be leaking.
Test each allocation separately to avoid the leak.
Fixes: 3a3d2f6a4c64 ("ipmi: kcs_bmc: Add serio adaptor")
Signed-off-by: Christophe JAILLET <[email protected]>
---
drivers/char/ipmi/kcs_bmc_serio.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/char/ipmi/kcs_bmc_serio.c
b/drivers/char/ipmi/kcs_bmc_serio.c
index 7948cabde50b..7e2067628a6c 100644
--- a/drivers/char/ipmi/kcs_bmc_serio.c
+++ b/drivers/char/ipmi/kcs_bmc_serio.c
@@ -73,10 +73,12 @@ static int kcs_bmc_serio_add_device(struct kcs_bmc_device
*kcs_bmc)
struct serio *port;
priv = devm_kzalloc(kcs_bmc->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
/* Use kzalloc() as the allocation is cleaned up with kfree() via
serio_unregister_port() */
port = kzalloc(sizeof(*port), GFP_KERNEL);
- if (!(priv && port))
+ if (!port)
return -ENOMEM;
port->id.type = SERIO_8042;
--
2.30.2
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