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authorschspa <schspa@gmail.com>2021-10-20 20:15:55 +0800
committerTom Rini <trini@konsulko.com>2021-11-18 18:20:06 -0500
commit50f7b2effd4971439e9b66467e4abf6688a124d9 (patch)
tree93894b13a8d90ec42833cac91286461172c30b7d /disk
parent0171d056ec8b9be9d90af64adce54c6a5571dd15 (diff)
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part: return -ENOSYS when get_info not valid.
In some case, get_info() interface can be NULL, add this check to stop from crash. Signed-off-by: schspa <schspa@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'disk')
-rw-r--r--disk/part.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/disk/part.c b/disk/part.c
index a6a8f70..fe1ebd4 100644
--- a/disk/part.c
+++ b/disk/part.c
@@ -668,6 +668,13 @@ int part_get_info_by_name_type(struct blk_desc *dev_desc, const char *name,
part_drv = part_driver_lookup_type(dev_desc);
if (!part_drv)
return -1;
+
+ if (!part_drv->get_info) {
+ log_debug("## Driver %s does not have the get_info() method\n",
+ part_drv->name);
+ return -ENOSYS;
+ }
+
for (i = 1; i < part_drv->max_entries; i++) {
ret = part_drv->get_info(dev_desc, i, info);
if (ret != 0) {