From: Haren Myneni <haren@linux.ibm.com> To: herbert@gondor.apana.org.au Cc: mpe@ellerman.id.au, mikey@neuling.org, sukadev@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, linux-crypto@vger.kernel.org, npiggin@gmail.com Subject: [PATCH v3 4/9] crypto/nx: Initialize coproc entry with kzalloc Date: Fri, 06 Mar 2020 16:34:12 -0800 [thread overview] Message-ID: <1583541252.9256.38.camel@hbabu-laptop> (raw) In-Reply-To: <1583540877.9256.24.camel@hbabu-laptop> coproc entry is initialized during NX probe on power9, but not on P8. nx842_delete_coprocs() is used for both and frees receive window if it is allocated. Getting crash for rmmod on P8 since coproc->vas.rxwin is not initialized. This patch replaces kmalloc with kzalloc in nx842_powernv_probe() Signed-off-by: Haren Myneni <haren@linux.ibm.com> --- drivers/crypto/nx/nx-842-powernv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/nx/nx-842-powernv.c b/drivers/crypto/nx/nx-842-powernv.c index c037a24..8e63326 100644 --- a/drivers/crypto/nx/nx-842-powernv.c +++ b/drivers/crypto/nx/nx-842-powernv.c @@ -922,7 +922,7 @@ static int __init nx842_powernv_probe(struct device_node *dn) return -EINVAL; } - coproc = kmalloc(sizeof(*coproc), GFP_KERNEL); + coproc = kzalloc(sizeof(*coproc), GFP_KERNEL); if (!coproc) return -ENOMEM; -- 1.8.3.1
WARNING: multiple messages have this Message-ID (diff)
From: Haren Myneni <haren@linux.ibm.com> To: herbert@gondor.apana.org.au Cc: mikey@neuling.org, npiggin@gmail.com, linux-crypto@vger.kernel.org, sukadev@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v3 4/9] crypto/nx: Initialize coproc entry with kzalloc Date: Fri, 06 Mar 2020 16:34:12 -0800 [thread overview] Message-ID: <1583541252.9256.38.camel@hbabu-laptop> (raw) In-Reply-To: <1583540877.9256.24.camel@hbabu-laptop> coproc entry is initialized during NX probe on power9, but not on P8. nx842_delete_coprocs() is used for both and frees receive window if it is allocated. Getting crash for rmmod on P8 since coproc->vas.rxwin is not initialized. This patch replaces kmalloc with kzalloc in nx842_powernv_probe() Signed-off-by: Haren Myneni <haren@linux.ibm.com> --- drivers/crypto/nx/nx-842-powernv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/nx/nx-842-powernv.c b/drivers/crypto/nx/nx-842-powernv.c index c037a24..8e63326 100644 --- a/drivers/crypto/nx/nx-842-powernv.c +++ b/drivers/crypto/nx/nx-842-powernv.c @@ -922,7 +922,7 @@ static int __init nx842_powernv_probe(struct device_node *dn) return -EINVAL; } - coproc = kmalloc(sizeof(*coproc), GFP_KERNEL); + coproc = kzalloc(sizeof(*coproc), GFP_KERNEL); if (!coproc) return -ENOMEM; -- 1.8.3.1
next prev parent reply other threads:[~2020-03-07 0:34 UTC|newest] Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-03-07 0:27 [PATCH v3 0/9] crypto/nx: Enable GZIP engine and provide userpace API Haren Myneni 2020-03-07 0:32 ` [PATCH v3 1/9] powerpc/vas: Initialize window attributes for GZIP coprocessor type Haren Myneni 2020-03-07 0:32 ` Haren Myneni 2020-03-07 0:32 ` [PATCH v3 2/9] powerpc/vas: Define VAS_TX_WIN_OPEN ioctl API Haren Myneni 2020-03-07 0:32 ` Haren Myneni 2020-03-07 0:33 ` [PATCH v3 3/9] powerpc/vas: Add VAS user space API Haren Myneni 2020-03-07 0:33 ` Haren Myneni 2020-03-18 7:12 ` Daniel Axtens 2020-03-18 7:12 ` Daniel Axtens 2020-03-19 1:16 ` Daniel Axtens 2020-03-19 1:16 ` Daniel Axtens 2020-03-19 1:53 ` Haren Myneni 2020-03-19 1:53 ` Haren Myneni 2020-03-20 12:18 ` Daniel Axtens 2020-03-20 12:18 ` Daniel Axtens 2020-03-22 20:50 ` Haren Myneni 2020-03-22 20:50 ` Haren Myneni 2020-03-07 0:34 ` Haren Myneni [this message] 2020-03-07 0:34 ` [PATCH v3 4/9] crypto/nx: Initialize coproc entry with kzalloc Haren Myneni 2020-03-07 0:34 ` [PATCH v3 5/9] crypto/nx: Rename nx-842-powernv file name to nx-common-powernv Haren Myneni 2020-03-07 0:34 ` Haren Myneni 2020-03-07 0:36 ` [PATCH v3 6/9] crypto/NX: Make enable code generic to add new GZIP compression type Haren Myneni 2020-03-07 0:36 ` Haren Myneni 2020-03-07 0:37 ` [PATCH v3 7/9] crypto/nx: Enable and setup GZIP compresstion type Haren Myneni 2020-03-07 0:37 ` Haren Myneni 2020-03-07 0:38 ` [PATCH v3 8/9] crypto/nx: Remove 'pid' in vas_tx_win_attr struct Haren Myneni 2020-03-07 0:38 ` Haren Myneni 2020-03-07 0:39 ` [PATCH v3 9/9] Documentation/powerpc: VAS API Haren Myneni 2020-03-07 0:39 ` Haren Myneni 2020-03-20 12:24 ` Daniel Axtens 2020-03-20 12:24 ` Daniel Axtens 2020-03-23 0:54 ` Haren Myneni 2020-03-23 0:54 ` Haren Myneni 2020-03-23 8:32 ` Nicholas Piggin 2020-03-23 8:32 ` Nicholas Piggin 2020-03-16 13:04 ` [PATCH v3 0/9] crypto/nx: Enable GZIP engine and provide userpace API Daniel Axtens 2020-03-16 23:31 ` Haren Myneni 2020-03-16 23:31 ` Haren Myneni
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