lkml.org 
[lkml]   [2007]   [Nov]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    Subject[PATCH] make ds1wm driver to check ds1wm_platform_data pointer against NULL
    Do a sanity check for the "struct ds1wm_platform_data" pointer passed in
    by the platform_device, and so to enforce each platform to provide a
    valid structure.

    Signed-off-by: eric miao <eric.miao@marvell.com>
    ---
    drivers/w1/masters/ds1wm.c | 4 ++++
    1 files changed, 4 insertions(+), 0 deletions(-)

    diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c
    index 5747997..11ce9ec 100644
    --- a/drivers/w1/masters/ds1wm.c
    +++ b/drivers/w1/masters/ds1wm.c
    @@ -351,6 +351,10 @@ static int ds1wm_probe(struct platform_device *pdev)
    goto err0;
    }
    plat = pdev->dev.platform_data;
    + if (!plat) {
    + ret = -ENXIO;
    + goto err0;
    + }
    ds1wm_data->bus_shift = plat->bus_shift;
    ds1wm_data->pdev = pdev;
    ds1wm_data->pdata = plat;
    --
    1.5.2.5.GIT
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/
    \
     
     \ /
      Last update: 2007-11-09 07:09    [W:0.053 / U:57.816 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site