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author | Thomas Gleixner <tglx@linutronix.de> | 2017-03-09 12:06:41 +0100 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2017-03-09 12:06:41 +0100 |
commit | 920c634aff6cb66e7f352668521eb1313897e93c (patch) | |
tree | 0f2e2eb15756fdd93c8ea47f9080fc3c1abeeae6 /sound/core/seq/seq_fifo.c | |
parent | b28ace12661fbcfd90959c1e84ff5a85113a82a1 (diff) | |
parent | 4b9de5da7e120c7f02395da729f0ec77ce7a6044 (diff) |
Merge tag 'irq-fixes-4.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip/irqdomain updates for 4.11-rc2 from Marc Zyngier
- irqchip/crossbar: Some type tidying up
- irqchip/gicv3-its: Workaround for a Qualcomm erratum
- irqdomain: Compile for for systems that don't use CONFIG_IRQ_DOMAIN
Fixed up minor conflict in the crossbar driver.
Diffstat (limited to 'sound/core/seq/seq_fifo.c')
-rw-r--r-- | sound/core/seq/seq_fifo.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/core/seq/seq_fifo.c b/sound/core/seq/seq_fifo.c index 1d5acbe0c08b..448efd4e980e 100644 --- a/sound/core/seq/seq_fifo.c +++ b/sound/core/seq/seq_fifo.c @@ -21,6 +21,8 @@ #include <sound/core.h> #include <linux/slab.h> +#include <linux/sched/signal.h> + #include "seq_fifo.h" #include "seq_lock.h" @@ -135,6 +137,7 @@ int snd_seq_fifo_event_in(struct snd_seq_fifo *f, f->tail = cell; if (f->head == NULL) f->head = cell; + cell->next = NULL; f->cells++; spin_unlock_irqrestore(&f->lock, flags); @@ -214,6 +217,8 @@ void snd_seq_fifo_cell_putback(struct snd_seq_fifo *f, spin_lock_irqsave(&f->lock, flags); cell->next = f->head; f->head = cell; + if (!f->tail) + f->tail = cell; f->cells++; spin_unlock_irqrestore(&f->lock, flags); } |