disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/mtd/ubi/eba.c
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@@ -947,7 +947,7 @@
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 				  int offset, int len)
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 {
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 	struct ubi_device *ubi = vol->ubi;
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-	int pnum, opnum, err, vol_id = vol->vol_id;
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+	int pnum, opnum, err, err2, vol_id = vol->vol_id;
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 	pnum = ubi_wl_get_peb(ubi);
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 	if (pnum < 0) {
..
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@@ -982,10 +982,19 @@
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 out_put:
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 	up_read(&ubi->fm_eba_sem);
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-	if (err && pnum >= 0)
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-		err = ubi_wl_put_peb(ubi, vol_id, lnum, pnum, 1);
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-	else if (!err && opnum >= 0)
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-		err = ubi_wl_put_peb(ubi, vol_id, lnum, opnum, 0);
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+	if (err && pnum >= 0) {
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+		err2 = ubi_wl_put_peb(ubi, vol_id, lnum, pnum, 1);
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+		if (err2) {
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+			ubi_warn(ubi, "failed to return physical eraseblock %d, error %d",
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+				 pnum, err2);
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+		}
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+	} else if (!err && opnum >= 0) {
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+		err2 = ubi_wl_put_peb(ubi, vol_id, lnum, opnum, 0);
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+		if (err2) {
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+			ubi_warn(ubi, "failed to return physical eraseblock %d, error %d",
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+				 opnum, err2);
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+		}
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+	}
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 	return err;
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 }