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authorPaul Bolle <pebolle@tiscali.nl>2014-03-04 10:34:48 +0100
committerAlex Deucher <alexander.deucher@amd.com>2014-03-06 16:46:56 -0500
commit0d997b68574217b41c1288ee4c6728c7003aac1f (patch)
tree4e42dabb5c7fd32d8340d0533c2968425a269479 /drivers/gpu
parentbc6a62955f6ea6aabe26292a21dbdd67f5b89b67 (diff)
drm/radeon: silence GCC warning on 32 bit
Building radeon_ttm.o on 32 bit x86 triggers a warning: In file included from include/asm-generic/bug.h:13:0, from [...]/arch/x86/include/asm/bug.h:38, from include/linux/bug.h:4, from include/drm/drm_mm.h:39, from include/drm/drm_vma_manager.h:26, from include/drm/ttm/ttm_bo_api.h:35, from drivers/gpu/drm/radeon/radeon_ttm.c:32: drivers/gpu/drm/radeon/radeon_ttm.c: In function 'radeon_ttm_gtt_read': include/linux/kernel.h:712:17: warning: comparison of distinct pointer types lacks a cast [enabled by default] (void) (&_min1 == &_min2); \ ^ drivers/gpu/drm/radeon/radeon_ttm.c:938:22: note: in expansion of macro 'min' ssize_t cur_size = min(size, PAGE_SIZE - off); ^ Silence this warning by using min_t(). Since cur_size will never be negative and its upper bound is PAGE_SIZE, we can change its type to size_t and use min_t(size_t, [...]) here. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/radeon_ttm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 5cdba9b82d08..040a2a10ea17 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -938,7 +938,7 @@ static ssize_t radeon_ttm_gtt_read(struct file *f, char __user *buf,
while (size) {
loff_t p = *pos / PAGE_SIZE;
unsigned off = *pos & ~PAGE_MASK;
- ssize_t cur_size = min(size, PAGE_SIZE - off);
+ size_t cur_size = min_t(size_t, size, PAGE_SIZE - off);
struct page *page;
void *ptr;