diff options
Diffstat (limited to 'kernel/kfifo.c')
| -rw-r--r-- | kernel/kfifo.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/kfifo.c b/kernel/kfifo.c index 4502604ecad..01a0700e873 100644 --- a/kernel/kfifo.c +++ b/kernel/kfifo.c @@ -365,8 +365,6 @@ static unsigned int setup_sgl(struct __kfifo *fifo, struct scatterlist *sgl, n = setup_sgl_buf(sgl, fifo->data + off, nents, l); n += setup_sgl_buf(sgl + n, fifo->data, nents - n, len - l); - if (n) - sg_mark_end(sgl + n - 1); return n; } @@ -503,6 +501,15 @@ unsigned int __kfifo_out_r(struct __kfifo *fifo, void *buf, } EXPORT_SYMBOL(__kfifo_out_r); +void __kfifo_skip_r(struct __kfifo *fifo, size_t recsize) +{ + unsigned int n; + + n = __kfifo_peek_n(fifo, recsize); + fifo->out += n + recsize; +} +EXPORT_SYMBOL(__kfifo_skip_r); + int __kfifo_from_user_r(struct __kfifo *fifo, const void __user *from, unsigned long len, unsigned int *copied, size_t recsize) { |