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From: Haren Myneni <>
Subject: [PATCH V2 4/9] crypto/nx: Initialize coproc entry with kzalloc
Date: Sat, 29 Feb 2020 03:15:02 -0800	[thread overview]
Message-ID: <1582974902.18705.46.camel@hbabu-laptop> (raw)
In-Reply-To: <1582974266.18705.28.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 <>
 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;

  parent reply	other threads:[~2020-02-29 11:16 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-29 11:04 [PATCH V2 0/9] crypto/nx: Enable GZIP engine and provide userpace API Haren Myneni
2020-02-29 11:11 ` [PATCH V2 1/9] powerpc/vas: Initialize window attributes for GZIP coprocessor type Haren Myneni
2020-02-29 11:11 ` [PATCH V2 2/9] powerpc/vas: Define VAS_TX_WIN_OPEN ioctl API Haren Myneni
2020-02-29 11:14 ` [PATCH V3 3/9] powerpc/vas: Add VAS user space API Haren Myneni
2020-02-29 11:15 ` Haren Myneni [this message]
2020-02-29 11:15 ` [PATCH V2 5/9] crypto/nx: Rename nx-842-powernv file name to nx-common-powernv Haren Myneni
2020-02-29 11:16 ` [PATCH V2 6/9] crypto/nx: Make enable code generic to add new GZIP compression type Haren Myneni
2020-02-29 11:17 ` [PATCH V2 7/9] crypto/nx: Enable and setup " Haren Myneni
2020-02-29 11:17 ` [PATCH V2 8/9] crypto/nx: Remove 'pid' in vas_tx_win_attr struct Haren Myneni
2020-02-29 11:18 ` [PATCH V2 9/9] Documentation/powerpc: VAS API Haren Myneni

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