On 1/23/24 12:56 PM, Jose E. Marchesi wrote:
GCC emits a warning: progs/test_tcpbpf_kern.c:60:9: error: ‘op’ is used uninitialized [-Werror=uninitialized] when an uninialized op is used iwth a "+r" constraint. The + modifier
iwth -> with
means a read-write operand, but that operand in the selftest is just written to. This patch changes the selftest to use a "=r" constraint. This pacifies GCC. Tested in bpf-next master. No regressions. Signed-off-by: Jose E. Marchesi <jose.marchesi@xxxxxxxxxx> Cc: Yonghong Song <yhs@xxxxxxxx> Cc: Eduard Zingerman <eddyz87@xxxxxxxxx> Cc: david.faust@xxxxxxxxxx Cc: cupertino.miranda@xxxxxxxxxx
Acked-by: Yonghong Song <yonghong.song@xxxxxxxxx>