diff options
Diffstat (limited to 'nuttx/net/iob/iob_free_chain.c')
| -rw-r--r-- | nuttx/net/iob/iob_free_chain.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/nuttx/net/iob/iob_free_chain.c b/nuttx/net/iob/iob_free_chain.c index db9fc408c..d09a0ca97 100644 --- a/nuttx/net/iob/iob_free_chain.c +++ b/nuttx/net/iob/iob_free_chain.c @@ -39,6 +39,13 @@ #include <nuttx/config.h> +#if defined(CONFIG_DEBUG) && defined(CONFIG_NET_IOB_DEBUG) +/* Force debug output (from this file only) */ + +# undef CONFIG_DEBUG_NET +# define CONFIG_DEBUG_NET 1 +#endif + #include <nuttx/arch.h> #include <nuttx/net/iob.h> @@ -75,20 +82,12 @@ void iob_free_chain(FAR struct iob_s *iob) { - FAR struct iob_s *last; - irqstate_t flags; - - /* Find the last entry in the I/O buffer list */ - - for (last = iob; last->io_flink; last = last->io_flink); + FAR struct iob_s *next; - /* Free the I/O buffer chain by adding it to the head of the free list. We - * don't know what context we are called from so we use extreme measures to - * protect the free list: We disable interrupts very briefly. - */ + /* Free each IOB in the chain -- one at a time to keep the count straight */ - flags = irqsave(); - last->io_flink = g_iob_freelist; - g_iob_freelist = iob; - irqrestore(flags); + for (; iob; iob = next) + { + next = iob_free(iob); + } } |