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author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2014-06-04 10:25:33 +0400 |
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committer | Takashi Iwai <tiwai@suse.de> | 2014-06-04 16:35:40 +0400 |
commit | cf44a136c062098b099a44698291e50c5bfdce2e (patch) | |
tree | c293a465d18322aa106997be84a2ccfe0b8403ec /sound/firewire/fireworks/fireworks_transaction.c | |
parent | c6e5e741c6dc8e13a47721f419e26e6ac19ecaf4 (diff) | |
download | linux-cf44a136c062098b099a44698291e50c5bfdce2e.tar.xz |
ALSA: fireworks: Use safer way to arrange ring buffer pointer
To reverse a pointer for the ring buffer, subtraction by buffer
size is better than assignment to the beginning of the buffer.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire/fireworks/fireworks_transaction.c')
-rw-r--r-- | sound/firewire/fireworks/fireworks_transaction.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/firewire/fireworks/fireworks_transaction.c b/sound/firewire/fireworks/fireworks_transaction.c index aa56b8ac537c..a6a9e9fd66b9 100644 --- a/sound/firewire/fireworks/fireworks_transaction.c +++ b/sound/firewire/fireworks/fireworks_transaction.c @@ -148,7 +148,7 @@ copy_resp_to_buf(struct snd_efw *efw, void *data, size_t length, int *rcode) efw->push_ptr += till_end; if (efw->push_ptr >= efw->resp_buf + snd_efw_resp_buf_size) - efw->push_ptr = efw->resp_buf; + efw->push_ptr -= snd_efw_resp_buf_size; length -= till_end; data += till_end; |