[dpdk-dev] drivers/aesni_gcm: fix zero data operation
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Commit Message
When data length passed to the PMD was zero,
the PMD was trying to get more data from a non-existent
next segment.
Fixes: 9c2a5775c028 ("crypto/aesni_gcm: migrate from MB library to ISA-L")
Cc: stable@dpdk.org
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
---
drivers/crypto/aesni_gcm/aesni_gcm_pmd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Comments
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Pablo de Lara
> Sent: Monday 14 August 2017 01:45
> To: Doherty, Declan <declan.doherty@intel.com>
> Cc: dev@dpdk.org; De Lara Guarch, Pablo <pablo.de.lara.guarch@intel.com>;
> stable@dpdk.org
> Subject: [dpdk-dev] [PATCH] drivers/aesni_gcm: fix zero data operation
>
> When data length passed to the PMD was zero, the PMD was trying to get
> more data from a non-existent next segment.
>
> Fixes: 9c2a5775c028 ("crypto/aesni_gcm: migrate from MB library to ISA-L")
> Cc: stable@dpdk.org
>
> Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
> ---
> drivers/crypto/aesni_gcm/aesni_gcm_pmd.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
Reviewed-by: Kirill Rybalchenko <kirill.rybalchenko@intel.com>
> -----Original Message-----
> From: Rybalchenko, Kirill
> Sent: Monday, September 4, 2017 2:14 PM
> To: De Lara Guarch, Pablo <pablo.de.lara.guarch@intel.com>; Doherty,
> Declan <declan.doherty@intel.com>
> Cc: dev@dpdk.org; stable@dpdk.org
> Subject: RE: [dpdk-dev] [PATCH] drivers/aesni_gcm: fix zero data operation
>
>
>
> > -----Original Message-----
> > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Pablo de Lara
> > Sent: Monday 14 August 2017 01:45
> > To: Doherty, Declan <declan.doherty@intel.com>
> > Cc: dev@dpdk.org; De Lara Guarch, Pablo
> > <pablo.de.lara.guarch@intel.com>; stable@dpdk.org
> > Subject: [dpdk-dev] [PATCH] drivers/aesni_gcm: fix zero data operation
> >
> > When data length passed to the PMD was zero, the PMD was trying to get
> > more data from a non-existent next segment.
> >
> > Fixes: 9c2a5775c028 ("crypto/aesni_gcm: migrate from MB library to
> > ISA-L")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
> > ---
> > drivers/crypto/aesni_gcm/aesni_gcm_pmd.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
>
>
> Reviewed-by: Kirill Rybalchenko <kirill.rybalchenko@intel.com>
>
>
Fixed title to "crypto/aesni_gcm: ..."
Applied to dpdk-next-crypto.
Thanks,
Pablo
@@ -224,7 +224,7 @@ process_gcm_crypto_op(struct aesni_gcm_qp *qp, struct rte_crypto_op *op,
RTE_ASSERT(m_src != NULL);
- while (offset >= m_src->data_len) {
+ while (offset >= m_src->data_len && data_length != 0) {
offset -= m_src->data_len;
m_src = m_src->next;