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authorAndrii Nakryiko <andrii@kernel.org>2023-03-08 21:40:14 -0800
committerAlexei Starovoitov <ast@kernel.org>2023-03-10 08:14:08 -0800
commitc8ed66859397237c649998c58a68a86b8ea5f417 (patch)
tree9c13a073b663a889dcc205bceebbbbf49c0493fd /tools/testing/selftests/bpf/progs/dynptr_fail.c
parent713461b895ef958ef444b00cc2d979f3ca3a82e2 (diff)
selftests/bpf: fix lots of silly mistakes pointed out by compiler
Once we enable -Wall for BPF sources, compiler will complain about lots of unused variables, variables that are set but never read, etc. Fix all these issues first before enabling -Wall in Makefile. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20230309054015.4068562-4-andrii@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/dynptr_fail.c')
-rw-r--r--tools/testing/selftests/bpf/progs/dynptr_fail.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/progs/dynptr_fail.c b/tools/testing/selftests/bpf/progs/dynptr_fail.c
index 20ce920d891d..759eb5c245cd 100644
--- a/tools/testing/selftests/bpf/progs/dynptr_fail.c
+++ b/tools/testing/selftests/bpf/progs/dynptr_fail.c
@@ -271,7 +271,7 @@ SEC("?raw_tp")
__failure __msg("value is outside of the allowed memory range")
int data_slice_out_of_bounds_map_value(void *ctx)
{
- __u32 key = 0, map_val;
+ __u32 map_val;
struct bpf_dynptr ptr;
void *data;
@@ -388,7 +388,6 @@ int data_slice_missing_null_check2(void *ctx)
/* this should fail */
*data2 = 3;
-done:
bpf_ringbuf_discard_dynptr(&ptr, 0);
return 0;
}
@@ -440,6 +439,7 @@ int invalid_write1(void *ctx)
/* this should fail */
data = bpf_dynptr_data(&ptr, 0, 1);
+ __sink(data);
return 0;
}
@@ -1374,6 +1374,7 @@ int invalid_slice_rdwr_rdonly(struct __sk_buff *skb)
* changing packet data
*/
hdr = bpf_dynptr_slice_rdwr(&ptr, 0, buffer, sizeof(buffer));
+ __sink(hdr);
return 0;
}