From: Markus Elfring elfring@users.sourceforge.net Date: Wed, 6 Sep 2017 11:48:44 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit
The script “checkpatch.pl” pointed information out like the following.
Comparison to NULL could be written …
Thus fix the affected source code places.
Signed-off-by: Markus Elfring elfring@users.sourceforge.net --- sound/firewire/bebob/bebob_stream.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/sound/firewire/bebob/bebob_stream.c b/sound/firewire/bebob/bebob_stream.c index bc9e42b6368e..211ff43207d6 100644 --- a/sound/firewire/bebob/bebob_stream.c +++ b/sound/firewire/bebob/bebob_stream.c @@ -268,7 +268,7 @@ map_data_channels(struct snd_bebob *bebob, struct amdtp_stream *s) * use the maximum length of FCP. */ buf = kzalloc(256, GFP_KERNEL); - if (buf == NULL) + if (!buf) return -ENOMEM;
if (s == &bebob->tx_stream) @@ -472,7 +472,7 @@ break_both_connections(struct snd_bebob *bebob) bebob->connected = false;
/* These models seems to be in transition state for a longer time. */ - if (bebob->maudio_special_quirk != NULL) + if (bebob->maudio_special_quirk) msleep(200); }
@@ -496,7 +496,7 @@ start_stream(struct snd_bebob *bebob, struct amdtp_stream *stream, conn = &bebob->out_conn;
/* channel mapping */ - if (bebob->maudio_special_quirk == NULL) { + if (!bebob->maudio_special_quirk) { err = map_data_channels(bebob, stream); if (err < 0) goto end; @@ -611,7 +611,7 @@ int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, unsigned int rate) * * For firmware customized by M-Audio, refer to next NOTE. */ - if (bebob->maudio_special_quirk == NULL) { + if (!bebob->maudio_special_quirk) { err = rate_spec->set(bebob, rate); if (err < 0) { dev_err(&bebob->unit->device, @@ -637,7 +637,7 @@ int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, unsigned int rate) * The firmware customized by M-Audio uses these commands to * start transmitting stream. This is not usual way. */ - if (bebob->maudio_special_quirk != NULL) { + if (bebob->maudio_special_quirk) { err = rate_spec->set(bebob, rate); if (err < 0) { dev_err(&bebob->unit->device, @@ -794,7 +794,7 @@ fill_stream_formations(struct snd_bebob *bebob, enum avc_bridgeco_plug_dir dir, int err;
buf = kmalloc(FORMAT_MAXIMUM_LENGTH, GFP_KERNEL); - if (buf == NULL) + if (!buf) return -ENOMEM;
if (dir == AVC_BRIDGECO_PLUG_DIR_IN)