diff mbox series

[v2] accel/qaic: Fix slicing memory leak

Message ID 20230802145937.14827-1-quic_jhugo@quicinc.com (mailing list archive)
State Not Applicable
Headers show
Series [v2] accel/qaic: Fix slicing memory leak | expand

Commit Message

Jeffrey Hugo Aug. 2, 2023, 2:59 p.m. UTC 
From: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>

The temporary buffer storing slicing configuration data from user is only
freed on error.  This is a memory leak.  Free the buffer unconditionally.

Fixes: ff13be830333 ("accel/qaic: Add datapath")
Signed-off-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Reviewed-by: Carl Vanderlip <quic_carlv@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
---

v2: reword commit text

 drivers/accel/qaic/qaic_data.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Jeffrey Hugo Aug. 15, 2023, 3:55 p.m. UTC | #1 
On 8/2/2023 8:59 AM, Jeffrey Hugo wrote:
> From: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
> 
> The temporary buffer storing slicing configuration data from user is only
> freed on error.  This is a memory leak.  Free the buffer unconditionally.
> 
> Fixes: ff13be830333 ("accel/qaic: Add datapath")
> Signed-off-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
> Reviewed-by: Carl Vanderlip <quic_carlv@quicinc.com>
> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
> Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>

Pushed to drm-misc-fixes.

-Jeff
diff mbox series

Patch

diff --git a/drivers/accel/qaic/qaic_data.c b/drivers/accel/qaic/qaic_data.c
index e9a1cb779b30..6b6d981a71be 100644
--- a/drivers/accel/qaic/qaic_data.c
+++ b/drivers/accel/qaic/qaic_data.c
@@ -1021,6 +1021,7 @@  int qaic_attach_slice_bo_ioctl(struct drm_device *dev, void *data, struct drm_fi
 	bo->dbc = dbc;
 	srcu_read_unlock(&dbc->ch_lock, rcu_id);
 	drm_gem_object_put(obj);
+	kfree(slice_ent);
 	srcu_read_unlock(&qdev->dev_lock, qdev_rcu_id);
 	srcu_read_unlock(&usr->qddev_lock, usr_rcu_id);