From 052c50d91642f10e10c3c10837c89a7355881e76 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Mon, 4 Jun 2007 16:00:45 -0300 Subject: [PATCH] V4L/DVB (5743): Tuner: clean up kfree() after release Although it is safe to kfree(NULL), We only need to kfree(priv) if the release callback is undefined. As it stands now, there is some redundancy in the operation of releasing the priv data structures. This patch will call kfree(priv) and set priv to NULL, if the release callback isnt defined. Otherwise, let the release callback handle this itself. Thanks to Mauro Carvalho Chehab for suggesting this. Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/tuner-core.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index 0e71a22f1d4f..acbffbfdb508 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -180,8 +180,10 @@ static void set_type(struct i2c_client *c, unsigned int type, /* discard private data, in case set_type() was previously called */ if (t->release) t->release(c); - kfree(t->priv); - t->priv = NULL; + else { + kfree(t->priv); + t->priv = NULL; + } switch (t->type) { case TUNER_MT2032: @@ -566,7 +568,9 @@ static int tuner_detach(struct i2c_client *client) if (t->release) t->release(client); - kfree(t->priv); + else { + kfree(t->priv); + } kfree(t); return 0; } -- GitLab