From: Peter Seiderer <ps.report@xxxxxxx> In coda_free_aux_buf() call debugfs_remove only if buffer entry is valid (and therfore dentry is valid), double protect by invalidating dentry value. Fixes erroneous prematurely dealloc of debugfs caused by incorrect reference count incrementing. Signed-off-by: Peter Seiderer <ps.report@xxxxxxx> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> --- drivers/media/platform/coda/coda-common.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c index c81af1b..37bbd57 100644 --- a/drivers/media/platform/coda/coda-common.c +++ b/drivers/media/platform/coda/coda-common.c @@ -1215,8 +1215,9 @@ void coda_free_aux_buf(struct coda_dev *dev, buf->vaddr, buf->paddr); buf->vaddr = NULL; buf->size = 0; + debugfs_remove(buf->dentry); + buf->dentry = NULL; } - debugfs_remove(buf->dentry); } static int coda_start_streaming(struct vb2_queue *q, unsigned int count) -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
