diff options
| author | Mallikarjun Kasoju <mkasoju@nvidia.com> | 2012-05-09 18:24:17 +0530 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-06-04 13:39:06 -0700 |
| commit | 2d355c2e2b66359ed3a7f044185df5cfaf305c82 (patch) | |
| tree | d28814baa1d5e13d78ee182ddc66c7c73fb69bd6 /drivers | |
| parent | 892a06364ceb8739e6f3d97ff955c17374afb0dc (diff) | |
crypto: tegra-se: Use sg_next to get next sg
Use sg_next to get next sg
Bug 958431
Signed-off-by: Mallikarjun Kasoju <mkasoju@nvidia.com>
Change-Id: I14aa7c9c551d0230b9c5b681a2699dd5355d0a6d
Reviewed-on: http://git-master/r/98449
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Mallikarjun Kasoju <mkasoju@nvidia.com>
Tested-by: Mallikarjun Kasoju <mkasoju@nvidia.com>
Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/tegra-se.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/crypto/tegra-se.c b/drivers/crypto/tegra-se.c index 3d2e9187b949..83324162a09f 100644 --- a/drivers/crypto/tegra-se.c +++ b/drivers/crypto/tegra-se.c @@ -622,9 +622,12 @@ static int tegra_se_count_sgs(struct scatterlist *sl, u32 total_bytes) return 0; do { - total_bytes -= min(sl[i].length, total_bytes); + if (!sl->length) + return 0; + total_bytes -= min(sl->length, total_bytes); i++; - } while (total_bytes); + sl = sg_next(sl); + } while (total_bytes && sl); return i; } @@ -846,7 +849,7 @@ static int tegra_se_aes_queue_req(struct ablkcipher_request *req) bool idle = true; int err = 0; - if (!req->nbytes) + if (!tegra_se_count_sgs(req->src, req->nbytes)) return -EINVAL; spin_lock_irqsave(&se_dev->lock, flags); |