From: Wei Yongjun <yongjun_...@trendmicro.com.cn> The dereference should be moved below the NULL test.
dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn> --- drivers/misc/ti-st/st_core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/misc/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c index 46937b1..ee341ea 100644 --- a/drivers/misc/ti-st/st_core.c +++ b/drivers/misc/ti-st/st_core.c @@ -511,13 +511,14 @@ long st_register(struct st_proto_s *new_proto) unsigned long flags = 0; st_kim_ref(&st_gdata, 0); - pr_info("%s(%d) ", __func__, new_proto->chnl_id); if (st_gdata == NULL || new_proto == NULL || new_proto->recv == NULL || new_proto->reg_complete_cb == NULL) { pr_err("gdata/new_proto/recv or reg_complete_cb not ready"); return -EINVAL; } + pr_info("%s(%d) ", __func__, new_proto->chnl_id); + if (new_proto->chnl_id >= ST_MAX_CHANNELS) { pr_err("chnl_id %d not supported", new_proto->chnl_id); return -EPROTONOSUPPORT; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/