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lttng lib: ring buffer move null pointer check to open
[lttng-modules.git]
/
lib
/
ringbuffer
/
ring_buffer_vfs.c
diff --git
a/lib/ringbuffer/ring_buffer_vfs.c
b/lib/ringbuffer/ring_buffer_vfs.c
index 1708ffd6bc9b1b80f06da11af5cb7830c2a6923b..8b783052a5f6cbe510e218120f6c16b56ebc96c5 100644
(file)
--- a/
lib/ringbuffer/ring_buffer_vfs.c
+++ b/
lib/ringbuffer/ring_buffer_vfs.c
@@
-42,6
+42,9
@@
int lib_ring_buffer_open(struct inode *inode, struct file *file)
struct lib_ring_buffer *buf = inode->i_private;
int ret;
+ if (!buf)
+ return -EINVAL;
+
ret = lib_ring_buffer_open_read(buf);
if (ret)
return ret;
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