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| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-07-11 16:14:16 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-07-11 16:14:16 +0300 |
| commit | a45ff5994c9cde41af627c46abb9f32beae68943 (patch) | |
| tree | b726cc506ed1b01484f183ab2679cdd618e1e9b1 /drivers/gpu/drm/drm_ioc32.c | |
| parent | 429bb83af8bcea0115eb34fd7ed94a35166d8384 (diff) | |
| parent | 1e0cf16cdad1ba53e9eeee8746fe57de42f20c97 (diff) | |
| download | linux-a45ff5994c9cde41af627c46abb9f32beae68943.tar.xz | |
Merge tag 'kvm-arm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm updates for 5.3
- Add support for chained PMU counters in guests
- Improve SError handling
- Handle Neoverse N1 erratum #1349291
- Allow side-channel mitigation status to be migrated
- Standardise most AArch64 system register accesses to msr_s/mrs_s
- Fix host MPIDR corruption on 32bit
Diffstat (limited to 'drivers/gpu/drm/drm_ioc32.c')
| -rw-r--r-- | drivers/gpu/drm/drm_ioc32.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index 374b372da58a..3972ebe48463 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -375,7 +375,10 @@ static int copy_one_buf32(void *data, int count, struct drm_buf_entry *from) .size = from->buf_size, .low_mark = from->low_mark, .high_mark = from->high_mark}; - return copy_to_user(to + count, &v, offsetof(drm_buf_desc32_t, flags)); + + if (copy_to_user(to + count, &v, offsetof(drm_buf_desc32_t, flags))) + return -EFAULT; + return 0; } static int drm_legacy_infobufs32(struct drm_device *dev, void *data, |