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authorLinus Torvalds <torvalds@linux-foundation.org>2015-02-14 20:47:01 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-14 20:47:01 +0300
commitfee5429e028c414d80d036198db30454cfd91b7a (patch)
tree485f37a974e4ab85339021c794d1782e2d761c5b /drivers/crypto/caam/jr.c
parent83e047c104aa95a8a683d6bd421df1551c17dbd2 (diff)
parent96692a7305c49845e3cbf5a60cfcb207c5dc4030 (diff)
downloadlinux-fee5429e028c414d80d036198db30454cfd91b7a.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu: "Here is the crypto update for 3.20: - Added 192/256-bit key support to aesni GCM. - Added MIPS OCTEON MD5 support. - Fixed hwrng starvation and race conditions. - Added note that memzero_explicit is not a subsitute for memset. - Added user-space interface for crypto_rng. - Misc fixes" * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (71 commits) crypto: tcrypt - do not allocate iv on stack for aead speed tests crypto: testmgr - limit IV copy length in aead tests crypto: tcrypt - fix buflen reminder calculation crypto: testmgr - mark rfc4106(gcm(aes)) as fips_allowed crypto: caam - fix resource clean-up on error path for caam_jr_init crypto: caam - pair irq map and dispose in the same function crypto: ccp - terminate ccp_support array with empty element crypto: caam - remove unused local variable crypto: caam - remove dead code crypto: caam - don't emit ICV check failures to dmesg hwrng: virtio - drop extra empty line crypto: replace scatterwalk_sg_next with sg_next crypto: atmel - Free memory in error path crypto: doc - remove colons in comments crypto: seqiv - Ensure that IV size is at least 8 bytes crypto: cts - Weed out non-CBC algorithms MAINTAINERS: add linux-crypto to hw random crypto: cts - Remove bogus use of seqiv crypto: qat - don't need qat_auth_state struct crypto: algif_rng - fix sparse non static symbol warning ...
Diffstat (limited to 'drivers/crypto/caam/jr.c')
-rw-r--r--drivers/crypto/caam/jr.c37
1 files changed, 25 insertions, 12 deletions
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index 9b3ef1bc9bd7..b8b5d47acd7a 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -384,30 +384,28 @@ static int caam_jr_init(struct device *dev)
if (error) {
dev_err(dev, "can't connect JobR %d interrupt (%d)\n",
jrp->ridx, jrp->irq);
- irq_dispose_mapping(jrp->irq);
- jrp->irq = 0;
- return -EINVAL;
+ goto out_kill_deq;
}
error = caam_reset_hw_jr(dev);
if (error)
- return error;
+ goto out_free_irq;
+ error = -ENOMEM;
jrp->inpring = dma_alloc_coherent(dev, sizeof(dma_addr_t) * JOBR_DEPTH,
&inpbusaddr, GFP_KERNEL);
+ if (!jrp->inpring)
+ goto out_free_irq;
jrp->outring = dma_alloc_coherent(dev, sizeof(struct jr_outentry) *
JOBR_DEPTH, &outbusaddr, GFP_KERNEL);
+ if (!jrp->outring)
+ goto out_free_inpring;
jrp->entinfo = kzalloc(sizeof(struct caam_jrentry_info) * JOBR_DEPTH,
GFP_KERNEL);
-
- if ((jrp->inpring == NULL) || (jrp->outring == NULL) ||
- (jrp->entinfo == NULL)) {
- dev_err(dev, "can't allocate job rings for %d\n",
- jrp->ridx);
- return -ENOMEM;
- }
+ if (!jrp->entinfo)
+ goto out_free_outring;
for (i = 0; i < JOBR_DEPTH; i++)
jrp->entinfo[i].desc_addr_dma = !0;
@@ -434,6 +432,19 @@ static int caam_jr_init(struct device *dev)
(JOBR_INTC_TIME_THLD << JRCFG_ICTT_SHIFT));
return 0;
+
+out_free_outring:
+ dma_free_coherent(dev, sizeof(struct jr_outentry) * JOBR_DEPTH,
+ jrp->outring, outbusaddr);
+out_free_inpring:
+ dma_free_coherent(dev, sizeof(dma_addr_t) * JOBR_DEPTH,
+ jrp->inpring, inpbusaddr);
+ dev_err(dev, "can't allocate job rings for %d\n", jrp->ridx);
+out_free_irq:
+ free_irq(jrp->irq, dev);
+out_kill_deq:
+ tasklet_kill(&jrp->irqtask);
+ return error;
}
@@ -484,8 +495,10 @@ static int caam_jr_probe(struct platform_device *pdev)
/* Now do the platform independent part */
error = caam_jr_init(jrdev); /* now turn on hardware */
- if (error)
+ if (error) {
+ irq_dispose_mapping(jrpriv->irq);
return error;
+ }
jrpriv->dev = jrdev;
spin_lock(&driver_data.jr_alloc_lock);