diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
| commit | 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch) | |
| tree | fa581f6dc1c0596391690d1f67eceef3af8246dc /drivers/crypto/sahara.c | |
| parent | d4e493caf788ef44982e131ff9c786546904d934 (diff) | |
Linux-libre 4.5-gnu
Diffstat (limited to 'drivers/crypto/sahara.c')
| -rw-r--r-- | drivers/crypto/sahara.c | 42 |
1 files changed, 27 insertions, 15 deletions
diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c index f68c24a98..6c4f91c5e 100644 --- a/drivers/crypto/sahara.c +++ b/drivers/crypto/sahara.c @@ -130,18 +130,18 @@ #define SAHARA_REG_IDAR 0x20 struct sahara_hw_desc { - u32 hdr; - u32 len1; - dma_addr_t p1; - u32 len2; - dma_addr_t p2; - dma_addr_t next; + u32 hdr; + u32 len1; + u32 p1; + u32 len2; + u32 p2; + u32 next; }; struct sahara_hw_link { - u32 len; - dma_addr_t p; - dma_addr_t next; + u32 len; + u32 p; + u32 next; }; struct sahara_ctx { @@ -228,9 +228,9 @@ struct sahara_dev { size_t total; struct scatterlist *in_sg; - unsigned int nb_in_sg; + int nb_in_sg; struct scatterlist *out_sg; - unsigned int nb_out_sg; + int nb_out_sg; u32 error; }; @@ -416,8 +416,8 @@ static void sahara_dump_descriptors(struct sahara_dev *dev) return; for (i = 0; i < SAHARA_MAX_HW_DESC; i++) { - dev_dbg(dev->device, "Descriptor (%d) (0x%08x):\n", - i, dev->hw_phys_desc[i]); + dev_dbg(dev->device, "Descriptor (%d) (%pad):\n", + i, &dev->hw_phys_desc[i]); dev_dbg(dev->device, "\thdr = 0x%08x\n", dev->hw_desc[i]->hdr); dev_dbg(dev->device, "\tlen1 = %u\n", dev->hw_desc[i]->len1); dev_dbg(dev->device, "\tp1 = 0x%08x\n", dev->hw_desc[i]->p1); @@ -437,8 +437,8 @@ static void sahara_dump_links(struct sahara_dev *dev) return; for (i = 0; i < SAHARA_MAX_HW_LINK; i++) { - dev_dbg(dev->device, "Link (%d) (0x%08x):\n", - i, dev->hw_phys_link[i]); + dev_dbg(dev->device, "Link (%d) (%pad):\n", + i, &dev->hw_phys_link[i]); dev_dbg(dev->device, "\tlen = %u\n", dev->hw_link[i]->len); dev_dbg(dev->device, "\tp = 0x%08x\n", dev->hw_link[i]->p); dev_dbg(dev->device, "\tnext = 0x%08x\n", @@ -477,7 +477,15 @@ static int sahara_hw_descriptor_create(struct sahara_dev *dev) } dev->nb_in_sg = sg_nents_for_len(dev->in_sg, dev->total); + if (dev->nb_in_sg < 0) { + dev_err(dev->device, "Invalid numbers of src SG.\n"); + return dev->nb_in_sg; + } dev->nb_out_sg = sg_nents_for_len(dev->out_sg, dev->total); + if (dev->nb_out_sg < 0) { + dev_err(dev->device, "Invalid numbers of dst SG.\n"); + return dev->nb_out_sg; + } if ((dev->nb_in_sg + dev->nb_out_sg) > SAHARA_MAX_HW_LINK) { dev_err(dev->device, "not enough hw links (%d)\n", dev->nb_in_sg + dev->nb_out_sg); @@ -793,6 +801,10 @@ static int sahara_sha_hw_links_create(struct sahara_dev *dev, dev->in_sg = rctx->in_sg; dev->nb_in_sg = sg_nents_for_len(dev->in_sg, rctx->total); + if (dev->nb_in_sg < 0) { + dev_err(dev->device, "Invalid numbers of src SG.\n"); + return dev->nb_in_sg; + } if ((dev->nb_in_sg) > SAHARA_MAX_HW_LINK) { dev_err(dev->device, "not enough hw links (%d)\n", dev->nb_in_sg + dev->nb_out_sg); |