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| author | Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-06-25 21:22:57 +0300 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2017-07-08 03:57:59 +0300 |
| commit | b9504247a6eb2bd68e3f620ca1f3fbe7309123ea (patch) | |
| tree | 823b3a82ef5d9a6ab5cd2b0779779b373719d009 /drivers/mtd/mtdcore.c | |
| parent | c169e3d3c049d93929a92f909a4b80ba0f85a3c3 (diff) | |
| download | linux-b9504247a6eb2bd68e3f620ca1f3fbe7309123ea.tar.xz | |
mtd: Fix check in mtd_unpoint()
The code checks that ->_point is not NULL, but we should actually check
->_unpoint value which is dereferenced a few lines after the check.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers/mtd/mtdcore.c')
| -rw-r--r-- | drivers/mtd/mtdcore.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 1517da3ddd7d..956382cea256 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -991,7 +991,7 @@ EXPORT_SYMBOL_GPL(mtd_point); /* We probably shouldn't allow XIP if the unpoint isn't a NULL */ int mtd_unpoint(struct mtd_info *mtd, loff_t from, size_t len) { - if (!mtd->_point) + if (!mtd->_unpoint) return -EOPNOTSUPP; if (from < 0 || from >= mtd->size || len > mtd->size - from) return -EINVAL; |