| commit | 92d4c21e51fc12736c39c2a161a42f20e2be8a00 | [log] [tgz] |
|---|---|---|
| author | Olivier Deprez <olivier.deprez@arm.com> | Tue Dec 06 15:05:30 2022 +0100 |
| committer | Olivier Deprez <olivier.deprez@arm.com> | Tue Dec 06 15:05:30 2022 +0100 |
| tree | 0ea63b023a85dff7aeb0895b46d3b22a65669ae1 | |
| parent | 157378f43faad830e4aa3815bde5fa9f9a9f5be6 [diff] [blame] |
Update Linux to v5.10.157 Sourced from [1] [1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.157.tar.xz Signed-off-by: Olivier Deprez <olivier.deprez@arm.com> Change-Id: I7b30d9e98d8c465d6b44de8e7433b4a40b3289ba
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 4606cc9..c160a45 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c
@@ -473,7 +473,13 @@ */ static int drm_copy_field(char __user *buf, size_t *buf_len, const char *value) { - int len; + size_t len; + + /* don't attempt to copy a NULL pointer */ + if (WARN_ONCE(!value, "BUG: the value to copy was not set!")) { + *buf_len = 0; + return 0; + } /* don't overflow userbuf */ len = strlen(value);