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Diffstat (limited to 'drivers/gpu/drm/drm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/drm_drv.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 93a112d45c1a..fc81af9dbf42 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -48,6 +48,7 @@ #include <linux/debugfs.h> #include <linux/slab.h> +#include <linux/export.h> #include "drmP.h" #include "drm_core.h" @@ -438,6 +439,8 @@ long drm_ioctl(struct file *filp, goto err_i1; } } + if (asize > usize) + memset(kdata + usize, 0, asize - usize); } if (cmd & IOC_IN) { |