[PATCH] 2.6.6 memory allocation checks in SliceBlock()

[Yury Umanets]

Adds memory allocation checks in SliceBlock()

 ./linux-2.6.6-modified/drivers/char/drm/sis_ds.c |    4 ++++
 1 files changed, 4 insertions(+)

Signed-off-by: Yury Umanets <torque@xxxxxxxxxxx>

diff -rupN ./linux-2.6.6/drivers/char/drm/sis_ds.c
./linux-2.6.6-modified/drivers/char/drm/sis_ds.c
--- ./linux-2.6.6/drivers/char/drm/sis_ds.c	Mon May 10 05:33:19 2004
+++ ./linux-2.6.6-modified/drivers/char/drm/sis_ds.c	Wed Jun  2 14:19:22
2004
@@ -231,6 +231,8 @@ static TMemBlock* SliceBlock(TMemBlock *
 	if (startofs > p->ofs) {
 		newblock = (TMemBlock*) DRM(calloc)(1, sizeof(TMemBlock),
 		    DRM_MEM_DRIVER);
+		if (!newblock)
+			return NULL;
 		newblock->ofs = startofs;
 		newblock->size = p->size - (startofs - p->ofs);
 		newblock->free = 1;
@@ -244,6 +246,8 @@ static TMemBlock* SliceBlock(TMemBlock *
 	if (size < p->size) {
 		newblock = (TMemBlock*) DRM(calloc)(1, sizeof(TMemBlock),
 		    DRM_MEM_DRIVER);
+		if (!newblock)
+			return NULL;
 		newblock->ofs = startofs + size;
 		newblock->size = p->size - size;
 		newblock->free = 1;

-- 
umka

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