xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mtd: partitions: pass around 'mtd_partitions' wrapper struct

Browse Source 
For some of the core partitioning code, it helps to keep info about the
parsed partition (and who parsed them) together in one place.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Brian Norris
2015-12-04 15:25:17 -08:00
parent c42c2710d6
commit 07fd2f871c
4 changed files with 38 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/mtd/mtdpart.c
View File

@@ -743,7 +743,7 @@ static const char * const default_mtd_part_types[] = {
* parse_mtd_partitions - parse MTD partitions
* @master: the master partition (describes whole MTD device)
* @types: names of partition parsers to try or %NULL
* @pparts: array of partitions found is returned here
* @pparts: info about partitions found is returned here
* @data: MTD partition parser-specific data
*
* This function tries to find partition on MTD device @master. It uses MTD
@@ -755,12 +755,11 @@ static const char * const default_mtd_part_types[] = {
*
* This function may return:
* o a negative error code in case of failure
* o zero if no partitions were found
* o a positive number of found partitions, in which case on exit @pparts will
* point to an array containing this number of &struct mtd_info objects.
* o zero otherwise, and @pparts will describe the partitions, number of
* partitions, and the parser which parsed them
*/
int parse_mtd_partitions(struct mtd_info *master, const char *const *types,
const struct mtd_partition **pparts,
struct mtd_partitions *pparts,
struct mtd_part_parser_data *data)
{
struct mtd_part_parser *parser;
@@ -778,14 +777,16 @@ int parse_mtd_partitions(struct mtd_info *master, const char *const *types,
parser ? parser->name : NULL);
if (!parser)
continue;
ret = (*parser->parse_fn)(master, pparts, data);
ret = (*parser->parse_fn)(master, &pparts->parts, data);
pr_debug("%s: parser %s: %i\n",
master->name, parser->name, ret);
mtd_part_parser_put(parser);
if (ret > 0) {
printk(KERN_NOTICE "%d %s partitions found on MTD device %s\n",
ret, parser->name, master->name);
return ret;
pparts->nr_parts = ret;
pparts->parser = parser;
return 0;
}
/*
* Stash the first error we see; only report it if no parser