lttng lib: ring buffer move null pointer check to open

[lttng-modules.git] / lib / ringbuffer / ring_buffer_mmap.c

diff --git a/lib/ringbuffer/ring_buffer_mmap.c b/lib/ringbuffer/ring_buffer_mmap.c
index 68221ee9a87030563ed212ac3b32afde26572f92..c9d6e89a76955fbf0f062413e1c6fba1feb98df5 100644 (file)
--- a/lib/ringbuffer/ring_buffer_mmap.c
+++ b/lib/ringbuffer/ring_buffer_mmap.c
@@ -30,9 +30,6 @@ static int lib_ring_buffer_fault(struct vm_area_struct *vma, struct vm_fault *vm
        void **virt;
        unsigned long offset, sb_bindex;
 
-       if (!buf)
-               return VM_FAULT_OOM;
-
        /*
         * Verify that faults are only done on the range of pages owned by the
         * reader.
@@ -83,9 +80,6 @@ static int lib_ring_buffer_mmap_buf(struct lib_ring_buffer *buf,
        if (config->output != RING_BUFFER_MMAP)
                return -EINVAL;
 
-       if (!buf)
-               return -EBADF;
-
        mmap_buf_len = chan->backend.buf_size;
        if (chan->backend.extra_reader_sb)
                mmap_buf_len += chan->backend.subbuf_size;