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Android->System:add mtd link by name

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This commit is contained in:
zouxf
2016-01-06 13:12:41 +08:00
parent e5e47c724a
commit 55e1dad89e
1 changed files with 39 additions and 3 deletions
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42
system/core/init/devices.c
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@ -518,10 +518,10 @@ static char **get_block_device_symlinks(struct uevent *uevent)
return NULL;
}
char **links = malloc(sizeof(char *) * 4);
char **links = malloc(sizeof(char *) * 5);
if (!links)
return NULL;
memset(links, 0, sizeof(char *) * 4);
memset(links, 0, sizeof(char *) * 5);
INFO("found %s device %s\n", type, device);
@ -536,6 +536,12 @@ static char **get_block_device_symlinks(struct uevent *uevent)
link_num++;
else
links[link_num] = NULL;
if (asprintf(&links[link_num], "/dev/block/mtd/by-name/%s", p) > 0)
link_num++;
else
links[link_num] = NULL;
free(p);
}
@ -555,6 +561,34 @@ static char **get_block_device_symlinks(struct uevent *uevent)
return links;
}
static char **parse_mtd_block_device(struct uevent *uevent)
{
const char *partition_name;
char *p;
char **links = malloc(sizeof(char *) * 2);
if (!links)
return NULL;
memset(links, 0, sizeof(char *) * 2);
partition_name = uevent->partition_name;
if (!partition_name)
goto err;
p = strdup(partition_name);
if (!p)
goto err;
sanitize(p);
asprintf(&links[0], "/dev/block/mtd/by-name/%s", p);
free(p);
return links;
err:
free(links);
return NULL;
}
static void handle_device(const char *action, const char *devpath,
const char *path, int block, int major, int minor, char **links)
{
@ -631,7 +665,9 @@ static void handle_block_device_event(struct uevent *uevent)
snprintf(devpath, sizeof(devpath), "%s%s", base, name);
make_dir(base, 0755);
if (!strncmp(uevent->path, "/devices/", 9))
if (strstr(uevent->path, "/mtdblock"))
links = parse_mtd_block_device(uevent);
else if (!strncmp(uevent->path, "/devices/", 9))
links = get_block_device_symlinks(uevent);
handle_device(uevent->action, devpath, uevent->path, 1,