[tip:perf/core] bpf tools: Fix syscall argument

[tip-bot for Florian Fainelli]

Commit-ID:  1a71476e4f2693ed93523c80ff1e2d4a8634717c
Gitweb:     http://git.kernel.org/tip/1a71476e4f2693ed93523c80ff1e2d4a8634717c
Author:     Florian Fainelli <f.fainelli@xxxxxxxxx>
AuthorDate: Sun, 24 Apr 2016 19:34:54 -0700
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Thu, 28 Apr 2016 09:58:57 -0300

bpf tools: Fix syscall argument

Coverity flagged this under CID 1354884 as a sizeof mismatch, it turns
out that the argument "attr" passed to syscall should have been a
pointer to attr in the first place.

Reported-by: coverity (CID 1354884)
Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Acked-by: Alexei Starovoitov <ast@xxxxxxxxxx>
Acked-by: Wang Nan <wangnan0@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Fixes: 8f9e05fb298f ("perf tools: Fix PowerPC native building")
Link: http://lkml.kernel.org/r/1461551694-5512-3-git-send-email-f.fainelli@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/build/feature/test-bpf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/build/feature/test-bpf.c b/tools/build/feature/test-bpf.c
index 8236df9..e04ab89 100644
--- a/tools/build/feature/test-bpf.c
+++ b/tools/build/feature/test-bpf.c
@@ -31,5 +31,5 @@ int main(void)
 	 * Test existence of __NR_bpf and BPF_PROG_LOAD.
 	 * This call should fail if we run the testcase.
 	 */
-	return syscall(__NR_bpf, BPF_PROG_LOAD, attr, sizeof(attr));
+	return syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
 }