diff options
| author | Aditya Pakki <pakki001@umn.edu> | 2020-06-13 22:05:18 -0500 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2020-07-10 16:17:25 +0200 |
| commit | 78c2ce9bde70be5be7e3615a2ae7024ed8173087 (patch) | |
| tree | d8358080fdbe511ddf2a430d384f6bcfe22173db /drivers/video/fbdev/omap2/omapfb/dss/dsi.c | |
| parent | edcb3895a751c762a18d25c8d9846ce9759ed7e1 (diff) | |
omapfb: fix multiple reference count leaks due to pm_runtime_get_sync
On calling pm_runtime_get_sync() the reference count of the device
is incremented. In case of failure, decrement the
reference count before returning the error.
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Cc: kjlu@umn.edu
Cc: wu000273@umn.edu
Cc: Allison Randal <allison@lohutok.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Enrico Weigelt <info@metux.net>
cc: "Andrew F. Davis" <afd@ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Alexios Zavras <alexios.zavras@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200614030528.128064-1-pakki001@umn.edu
Diffstat (limited to 'drivers/video/fbdev/omap2/omapfb/dss/dsi.c')
| -rw-r--r-- | drivers/video/fbdev/omap2/omapfb/dss/dsi.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dsi.c b/drivers/video/fbdev/omap2/omapfb/dss/dsi.c index d620376216e1..6f9c25fec994 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/dsi.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/dsi.c @@ -1137,8 +1137,11 @@ static int dsi_runtime_get(struct platform_device *dsidev) DSSDBG("dsi_runtime_get\n"); r = pm_runtime_get_sync(&dsi->pdev->dev); - WARN_ON(r < 0); - return r < 0 ? r : 0; + if (WARN_ON(r < 0)) { + pm_runtime_put_sync(&dsi->pdev->dev); + return r; + } + return 0; } static void dsi_runtime_put(struct platform_device *dsidev) |