aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorGilad Ben-Yossef <[email protected]>2018-01-07 12:14:25 +0000
committerGreg Kroah-Hartman <[email protected]>2018-01-08 16:27:23 +0100
commit6e92010b012116d10a3750c0406e3da67f274498 (patch)
treea5afcaabb9c95a0452e1253a46c65d096d22f564
parent2f7caf6b02145bd9cd9d0b56204f51a5fefe7790 (diff)
staging: ccree: handle end of sg list gracefully
If we are asked for number of entries of an offset bigger than the sg list we should not crash. Cc: [email protected] Signed-off-by: Gilad Ben-Yossef <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
-rw-r--r--drivers/staging/ccree/ssi_buffer_mgr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/ccree/ssi_buffer_mgr.c b/drivers/staging/ccree/ssi_buffer_mgr.c
index 78288ed75281..0f7126404a32 100644
--- a/drivers/staging/ccree/ssi_buffer_mgr.c
+++ b/drivers/staging/ccree/ssi_buffer_mgr.c
@@ -94,7 +94,7 @@ static unsigned int cc_get_sgl_nents(struct device *dev,
{
unsigned int nents = 0;
- while (nbytes) {
+ while (nbytes && sg_list) {
if (sg_list->length) {
nents++;
/* get the number of bytes in the last entry */