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| author | Michael Brown | 2007-01-11 05:46:41 +0100 |
|---|---|---|
| committer | Michael Brown | 2007-01-11 05:46:41 +0100 |
| commit | c0ef730ec427e9ee20da3b1fb2500b6593783385 (patch) | |
| tree | 21b8445550dc040ce832d6e7a3974c31be0bc783 /src/core/buffer.c | |
| parent | Added strerror(0)=="No error", so that TCP protocols can use (diff) | |
| download | ipxe-c0ef730ec427e9ee20da3b1fb2500b6593783385.tar.gz ipxe-c0ef730ec427e9ee20da3b1fb2500b6593783385.tar.xz ipxe-c0ef730ec427e9ee20da3b1fb2500b6593783385.zip | |
Fix bug in buffer.c, add buffer mini-unit test.
Diffstat (limited to 'src/core/buffer.c')
| -rw-r--r-- | src/core/buffer.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/core/buffer.c b/src/core/buffer.c index be4c6055..91df7b66 100644 --- a/src/core/buffer.c +++ b/src/core/buffer.c @@ -80,21 +80,21 @@ struct buffer_free_block { * @ret block Next free block descriptor * @ret rc Return status code * - * Set @c block->next=buffer->free before first call to + * Set @c block->next=buffer->fill before first call to * get_next_free_block(). */ static int get_next_free_block ( struct buffer *buffer, struct buffer_free_block *block ) { /* Check for end of buffer */ - if ( block->end >= buffer->len ) + if ( block->next >= buffer->len ) return -ENOENT; /* Move to next block */ block->start = block->next; if ( block->start >= buffer->free ) { /* Final block; no in-band descriptor */ - block->end = buffer->len; + block->next = block->end = buffer->len; } else { /* Retrieve block descriptor */ copy_from_phys ( block, ( buffer->addr + block->start ), |