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| author | Andrzej Pietrasiewicz <andrzej.p@samsung.com> | 2014-01-13 16:41:22 +0100 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-08-08 15:19:03 +0900 |
| commit | 02afa3304595cca65d08560cd087d88ec7155906 (patch) | |
| tree | de8ec518d5bfcba4fbedd2e99d7dcad2f4daf0e0 | |
| parent | f362304350c0afd1c2df5b819f2f8d31949e0dd4 (diff) | |
| download | linux-3.10-02afa3304595cca65d08560cd087d88ec7155906.tar.gz linux-3.10-02afa3304595cca65d08560cd087d88ec7155906.tar.bz2 linux-3.10-02afa3304595cca65d08560cd087d88ec7155906.zip | |
usb: gadget: FunctionFS: dereference ffs_dev conditionally
ffs_dev->ffs_release_dev_callback should be accessed only if ffs_dev
is not NULL.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
| -rw-r--r-- | drivers/usb/gadget/f_fs.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index b70b9be406f..1f8629aaaaf 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -2592,11 +2592,12 @@ static void ffs_release_dev(struct ffs_data *ffs_data) ffs_dev_lock(); ffs_dev = ffs_data->private_data; - if (ffs_dev) + if (ffs_dev) { ffs_dev->mounted = false; - - if (ffs_dev->ffs_release_dev_callback) - ffs_dev->ffs_release_dev_callback(ffs_dev); + + if (ffs_dev->ffs_release_dev_callback) + ffs_dev->ffs_release_dev_callback(ffs_dev); + } ffs_dev_unlock(); } |