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authorRoel Kluin <roel.kluin@gmail.com>2010-03-06 00:42:32 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-06 22:26:28 +0300
commitcda1c5af26a00ee31cdc5ab8321a1be7851cbfff (patch)
tree780496d48b6d779dc7cae7e76866e6caa2992bf8
parentba875ba6b7cd28c5f15680ed694276510aa69970 (diff)
downloadlinux-cda1c5af26a00ee31cdc5ab8321a1be7851cbfff.tar.xz
cryptocop: fix assertion in create_output_descriptors()
size_t desc_len cannot be less than 0, test before the subtraction. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/cris/arch-v32/drivers/cryptocop.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c
index fd529a0ec758..b70fb34939d9 100644
--- a/arch/cris/arch-v32/drivers/cryptocop.c
+++ b/arch/cris/arch-v32/drivers/cryptocop.c
@@ -628,9 +628,9 @@ static int create_output_descriptors(struct cryptocop_operation *operation, int
cdesc->dma_descr->buf = (char*)virt_to_phys(operation->tfrm_op.indata[*iniov_ix].iov_base + *iniov_offset);
cdesc->dma_descr->after = cdesc->dma_descr->buf + dlength;
+ assert(desc_len >= dlength);
desc_len -= dlength;
*iniov_offset += dlength;
- assert(desc_len >= 0);
if (*iniov_offset >= operation->tfrm_op.indata[*iniov_ix].iov_len) {
*iniov_offset = 0;
++(*iniov_ix);