[prev in list] [next in list] [prev in thread] [next in thread] 

List:       kernel-janitors
Subject:    [PATCH 3/3] [media] mb86a20s: Delete a jump target in mb86a20s_attach()
From:       SF Markus Elfring <elfring () users ! sourceforge ! net>
Date:       2017-08-31 19:58:59
Message-ID: 6b7fbd7b-f25d-25c0-5473-41c11b308349 () users ! sourceforge ! net
[Download RAW message or body]

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 31 Aug 2017 21:34:58 +0200

* Return directly after a call of the function "kzalloc" failed
  at the beginning.

* Move a bit of exception handling code into an if branch.

* Adjust a condition check.

* Delete the jump target "error" which became unnecessary
  with this refactoring.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/media/dvb-frontends/mb86a20s.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/media/dvb-frontends/mb86a20s.c b/drivers/media/dvb-frontends/mb86a20s.c
index ba7a433dd424..bdaf9d235fed 100644
--- a/drivers/media/dvb-frontends/mb86a20s.c
+++ b/drivers/media/dvb-frontends/mb86a20s.c
@@ -2073,7 +2073,7 @@ struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
 	/* allocate memory for the internal state */
 	state = kzalloc(sizeof(*state), GFP_KERNEL);
 	if (!state)
-		goto error;
+		return NULL;
 
 	/* setup the state */
 	state->config = config;
@@ -2086,22 +2086,16 @@ struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
 
 	/* Check if it is a mb86a20s frontend */
 	rev = mb86a20s_readreg(state, 0);
-
-	if (rev == 0x13) {
-		dev_info(&i2c->dev,
-			 "Detected a Fujitsu mb86a20s frontend\n");
-	} else {
+	if (rev != 0x13) {
+		kfree(state);
 		dev_dbg(&i2c->dev,
 			"Frontend revision %d is unknown - aborting.\n",
 		       rev);
-		goto error;
+		return NULL;
 	}
 
+	dev_info(&i2c->dev, "Detected a Fujitsu mb86a20s frontend\n");
 	return &state->frontend;
-
-error:
-	kfree(state);
-	return NULL;
 }
 EXPORT_SYMBOL(mb86a20s_attach);
 
-- 
2.14.1

--
To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
[prev in list] [next in list] [prev in thread] [next in thread]