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kernel: fixing a potential deadlock in block2mtd for kernel 3.6/3.8/3.9
[openwrt/staging/mkresin.git]
/
target
/
linux
/
generic
/
patches-3.8
/
441-block2mtd_refresh.patch
diff --git
a/target/linux/generic/patches-3.8/441-block2mtd_refresh.patch
b/target/linux/generic/patches-3.8/441-block2mtd_refresh.patch
index 11b743db2ec61c34783840d0680a61f54ee8e5a3..b2b02229e1721f56369b722e611d5ce72134cfe0 100644
(file)
--- a/
target/linux/generic/patches-3.8/441-block2mtd_refresh.patch
+++ b/
target/linux/generic/patches-3.8/441-block2mtd_refresh.patch
@@
-53,8
+53,9
@@
page = page_read(dev->blkdev->bd_inode->i_mapping, index);
- if (IS_ERR(page))
+- return PTR_ERR(page);
+ if (IS_ERR(page)) {
-
return
PTR_ERR(page);
+
+ err =
PTR_ERR(page);
+ goto done;
+ }