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authorEmmanuel Vadot <manu@bidouilliste.com>2016-10-19 17:19:47 +0200
committerTom Rini <trini@konsulko.com>2016-10-24 08:04:43 -0400
commit5d81c6df320e40c741f474a54cc6df451e830143 (patch)
treee9a77ecf671dafe29ecf87d9422c011118dddc87 /api
parent0dbc9b591a56bc5a93455632de5e4d62c73e6ca5 (diff)
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api: storage: Avoid enumeration for non-configured subsystem
If a subsystem wasn't configured, avoid enumeration. Signed-off-by: Emmanuel Vadot <manu@bidouilliste.com>
Diffstat (limited to 'api')
-rw-r--r--api/api_storage.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/api/api_storage.c b/api/api_storage.c
index d425a9a..b5aaba1 100644
--- a/api/api_storage.c
+++ b/api/api_storage.c
@@ -41,7 +41,7 @@ struct stor_spec {
char *name;
};
-static struct stor_spec specs[ENUM_MAX] = { { 0, 0, 0, 0, "" }, };
+static struct stor_spec specs[ENUM_MAX] = { { 0, 0, 0, 0, NULL }, };
void dev_stor_init(void)
@@ -105,6 +105,10 @@ static int dev_stor_get(int type, int first, int *more, struct device_info *di)
struct blk_desc *dd;
+ /* Wasn't configured for this type, return 0 directly */
+ if (specs[type].name == NULL)
+ return 0;
+
if (first) {
di->cookie = (void *)blk_get_dev(specs[type].name, 0);
if (di->cookie == NULL)