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authorSteven Rostedt <srostedt@redhat.com>2009-06-11 09:49:15 -0400
committerSteven Rostedt <rostedt@goodmis.org>2009-06-16 21:19:26 -0400
commitc6a9d7b55e2df63de012a9a285bf2a0bee8e4d59 (patch)
treef4f275eeba79572e9660da6c0d865d7f2d51075c /kernel/trace
parent22f470f8daea64bc03be1fe30c8c5df382295386 (diff)
downloadop-kernel-dev-c6a9d7b55e2df63de012a9a285bf2a0bee8e4d59.zip
op-kernel-dev-c6a9d7b55e2df63de012a9a285bf2a0bee8e4d59.tar.gz
ring-buffer: remove useless warn on check
A check if "write > BUF_PAGE_SIZE" is done right after a if (write > BUF_PAGE_SIZE) return ...; Thus the check is actually testing the compiler and not the kernel. This is useless, remove it. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/ring_buffer.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 6b17a11..6cf340e 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -1334,9 +1334,6 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
/* We reserved something on the buffer */
- if (RB_WARN_ON(cpu_buffer, write > BUF_PAGE_SIZE))
- return NULL;
-
event = __rb_page_index(tail_page, tail);
rb_update_event(event, type, length);
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