debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/fs/exfat/balloc.c
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..
@@ -69,7 +69,7 @@
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 	}
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 	sbi->map_sectors = ((need_map_size - 1) >>
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 			(sb->s_blocksize_bits)) + 1;
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-	sbi->vol_amap = kmalloc_array(sbi->map_sectors,
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+	sbi->vol_amap = kvmalloc_array(sbi->map_sectors,
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 				sizeof(struct buffer_head *), GFP_KERNEL);
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 	if (!sbi->vol_amap)
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 		return -ENOMEM;
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@@ -84,7 +84,7 @@
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 			while (j < i)
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 				brelse(sbi->vol_amap[j++]);
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-			kfree(sbi->vol_amap);
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+			kvfree(sbi->vol_amap);
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 			sbi->vol_amap = NULL;
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 			return -EIO;
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 		}
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@@ -138,7 +138,7 @@
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 	for (i = 0; i < sbi->map_sectors; i++)
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 		__brelse(sbi->vol_amap[i]);
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-	kfree(sbi->vol_amap);
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+	kvfree(sbi->vol_amap);
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 }
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 int exfat_set_bitmap(struct inode *inode, unsigned int clu, bool sync)