mmc: block: make gen_err a bool variable

This gen_err flag is only assigned 0 or 1 and treated as a bool,
so convert it to a bool.

Cc: Chunyan Zhang <zhang.chunyan@linaro.org>
Cc: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/card/block.c

@@ -854,7 +854,7 @@ static int get_card_status(struct mmc_card *card, u32 *status, int retries)
 }
 
 static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
-		bool hw_busy_detect, struct request *req, int *gen_err)
+		bool hw_busy_detect, struct request *req, bool *gen_err)
 {
 	unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms);
 	int err = 0;
@@ -871,7 +871,7 @@ static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
 		if (status & R1_ERROR) {
 			pr_err("%s: %s: error sending status cmd, status %#x\n",
 				req->rq_disk->disk_name, __func__, status);
-			*gen_err = 1;
+			*gen_err = true;
 		}
 
 		/* We may rely on the host hw to handle busy detection.*/
@@ -902,7 +902,7 @@ static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
 }
 
 static int send_stop(struct mmc_card *card, unsigned int timeout_ms,
-		struct request *req, int *gen_err, u32 *stop_status)
+		struct request *req, bool *gen_err, u32 *stop_status)
 {
 	struct mmc_host *host = card->host;
 	struct mmc_command cmd = {0};
@@ -940,7 +940,7 @@ static int send_stop(struct mmc_card *card, unsigned int timeout_ms,
 		(*stop_status & R1_ERROR)) {
 		pr_err("%s: %s: general error sending stop command, resp %#x\n",
 			req->rq_disk->disk_name, __func__, *stop_status);
-		*gen_err = 1;
+		*gen_err = true;
 	}
 
 	return card_busy_detect(card, timeout_ms, use_r1b_resp, req, gen_err);
@@ -1014,7 +1014,7 @@ static int mmc_blk_cmd_error(struct request *req, const char *name, int error,
  * Otherwise we don't understand what happened, so abort.
  */
 static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
-	struct mmc_blk_request *brq, int *ecc_err, int *gen_err)
+	struct mmc_blk_request *brq, int *ecc_err, bool *gen_err)
 {
 	bool prev_cmd_status_valid = true;
 	u32 status, stop_status = 0;
@@ -1062,7 +1062,7 @@ static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
 			pr_err("%s: %s: general error sending stop or status command, stop cmd response %#x, card status %#x\n",
 			       req->rq_disk->disk_name, __func__,
 			       brq->stop.resp[0], status);
-			*gen_err = 1;
+			*gen_err = true;
 		}
 
 	/*
@@ -1328,7 +1328,8 @@ static int mmc_blk_err_check(struct mmc_card *card,
 	struct mmc_blk_request *brq = &mq_mrq->brq;
 	struct request *req = mq_mrq->req;
 	int need_retune = card->host->need_retune;
-	int ecc_err = 0, gen_err = 0;
+	int ecc_err = 0;
+	bool gen_err = false;
 
 	/*
 	 * sbc.error indicates a problem with the set block count
@@ -1378,7 +1379,7 @@ static int mmc_blk_err_check(struct mmc_card *card,
 			pr_err("%s: %s: general error sending stop command, stop cmd response %#x\n",
 			       req->rq_disk->disk_name, __func__,
 			       brq->stop.resp[0]);
-			gen_err = 1;
+			gen_err = true;
 		}
 
 		err = card_busy_detect(card, MMC_BLK_TIMEOUT_MS, false, req,