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| author | Richard Weinberger <richard@nod.at> | 2016-07-04 22:10:13 +0200 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2016-07-29 23:31:54 +0200 |
| commit | 95b54e1e10eb32c465d1028dd119ee790afe4a01 (patch) | |
| tree | c7e4a5af521227e7194460502eccb308a435bc60 /drivers/mtd | |
| parent | dccbc9197d2c3614f2fd6811874e1d982e4415f0 (diff) | |
| download | linux-stable-95b54e1e10eb32c465d1028dd119ee790afe4a01.tar.gz linux-stable-95b54e1e10eb32c465d1028dd119ee790afe4a01.tar.bz2 linux-stable-95b54e1e10eb32c465d1028dd119ee790afe4a01.zip | |
ubi: gluebi: Fix double refcounting
There is no need to call get/put on the module
reference in gluebi_get/put_device() callbacks.
Since mtd->owner is the gluebi module itself
mtdcore.c will take care of proper refcounting
in __get/put_mtd_device() before executing the
callbacks.
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/ubi/gluebi.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/mtd/ubi/gluebi.c b/drivers/mtd/ubi/gluebi.c index cb7c075f2144..1cb287ec32ad 100644 --- a/drivers/mtd/ubi/gluebi.c +++ b/drivers/mtd/ubi/gluebi.c @@ -99,9 +99,6 @@ static int gluebi_get_device(struct mtd_info *mtd) struct gluebi_device *gluebi; int ubi_mode = UBI_READONLY; - if (!try_module_get(THIS_MODULE)) - return -ENODEV; - if (mtd->flags & MTD_WRITEABLE) ubi_mode = UBI_READWRITE; @@ -129,7 +126,6 @@ static int gluebi_get_device(struct mtd_info *mtd) ubi_mode); if (IS_ERR(gluebi->desc)) { mutex_unlock(&devices_mutex); - module_put(THIS_MODULE); return PTR_ERR(gluebi->desc); } gluebi->refcnt += 1; @@ -153,7 +149,6 @@ static void gluebi_put_device(struct mtd_info *mtd) gluebi->refcnt -= 1; if (gluebi->refcnt == 0) ubi_close_volume(gluebi->desc); - module_put(THIS_MODULE); mutex_unlock(&devices_mutex); } |