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https://github.com/torvalds/linux
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adc83bf889
If partition parsers need to clean up their resources, we shouldn't assume that all memory will fit in a single kmalloc() that the caller can kfree(). We should allow the parser to provide a proper cleanup routine. Note that this means we need to keep a hold on the parser's module for a bit longer, and release it later with mtd_part_parser_put(). Alongside this, define a default callback that we'll automatically use if the parser doesn't provide one, so we can still retain the old behavior. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
28 lines
876 B
C
28 lines
876 B
C
/*
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* These are exported solely for the purpose of mtd_blkdevs.c and mtdchar.c.
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* You should not use them for _anything_ else.
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*/
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extern struct mutex mtd_table_mutex;
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struct mtd_info *__mtd_next_device(int i);
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int add_mtd_device(struct mtd_info *mtd);
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int del_mtd_device(struct mtd_info *mtd);
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int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int);
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int del_mtd_partitions(struct mtd_info *);
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struct mtd_partitions;
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int parse_mtd_partitions(struct mtd_info *master, const char * const *types,
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struct mtd_partitions *pparts,
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struct mtd_part_parser_data *data);
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void mtd_part_parser_cleanup(struct mtd_partitions *parts);
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int __init init_mtdchar(void);
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void __exit cleanup_mtdchar(void);
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#define mtd_for_each_device(mtd) \
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for ((mtd) = __mtd_next_device(0); \
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(mtd) != NULL; \
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(mtd) = __mtd_next_device(mtd->index + 1))
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