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Subject[PATCH 01/16] UBI: Fastmap: Check find_mean_wl_entry()'s return value
Date
find_mean_wl_entry() is allowed to return NULL.

Signed-off-by: Richard Weinberger <richard@nod.at>
---
drivers/mtd/ubi/wl.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index b44cba0..85a3373 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -509,6 +509,10 @@ retry:
}

e = find_mean_wl_entry(ubi, &ubi->free);
+ if (!e) {
+ ubi_err("no free eraseblocks");
+ return -ENOSPC;
+ }

self_check_in_wl_tree(ubi, e, &ubi->free);

--
1.7.6.5


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