Messages in this thread Patch in this message | | | Subject | [PATCH] 2.6.6 memory allocation checks in SliceBlock() | From | Yury Umanets <> | Date | Sun, 06 Jun 2004 19:23:12 +0300 |
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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@ukrpost.net>
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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