diff options
Diffstat (limited to 'include/drm')
-rw-r--r-- | include/drm/drmP.h | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h index afc21685230e..1cc51a0812fe 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h | |||
@@ -1573,18 +1573,14 @@ static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area) | |||
1573 | 1573 | ||
1574 | static __inline__ void *drm_calloc_large(size_t nmemb, size_t size) | 1574 | static __inline__ void *drm_calloc_large(size_t nmemb, size_t size) |
1575 | { | 1575 | { |
1576 | u8 *addr; | 1576 | if (size * nmemb <= PAGE_SIZE) |
1577 | |||
1578 | if (size <= PAGE_SIZE) | ||
1579 | return kcalloc(nmemb, size, GFP_KERNEL); | 1577 | return kcalloc(nmemb, size, GFP_KERNEL); |
1580 | 1578 | ||
1581 | addr = vmalloc(nmemb * size); | 1579 | if (size != 0 && nmemb > ULONG_MAX / size) |
1582 | if (!addr) | ||
1583 | return NULL; | 1580 | return NULL; |
1584 | 1581 | ||
1585 | memset(addr, 0, nmemb * size); | 1582 | return __vmalloc(size * nmemb, |
1586 | 1583 | GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL); | |
1587 | return addr; | ||
1588 | } | 1584 | } |
1589 | 1585 | ||
1590 | static __inline void drm_free_large(void *ptr) | 1586 | static __inline void drm_free_large(void *ptr) |