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authorFelix Beck <felix.beck@de.ibm.com>2009-12-07 14:51:54 +0300
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2009-12-07 14:51:35 +0300
commit468ffddf19c1417947cac931c240b0d600e4b5bf (patch)
tree94510571f3dcc94b6f61efebc077bfb93047b77d /drivers/s390/crypto/zcrypt_pcixcc.c
parentf4ac1d0255748fe0f8e128a26b1c29490cae5c08 (diff)
downloadlinux-468ffddf19c1417947cac931c240b0d600e4b5bf.tar.xz
[S390] zcrypt: initialize ap_messages for cex3 exploitation
AP messages need to be initialized, before they will be used. Values will be zeroized. This will be needed later when introducing support for the special commands. Signed-off-by: Felix Beck <felix.beck@de.ibm.com> Signed-off-by: Ralph Wuerthner <ralph.wuerthner@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/crypto/zcrypt_pcixcc.c')
-rw-r--r--drivers/s390/crypto/zcrypt_pcixcc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
index 5677b40e4ac0..11ca6dc99b23 100644
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -688,6 +688,7 @@ static long zcrypt_pcixcc_modexpo(struct zcrypt_device *zdev,
};
int rc;
+ ap_init_message(&ap_msg);
ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;
@@ -727,6 +728,7 @@ static long zcrypt_pcixcc_modexpo_crt(struct zcrypt_device *zdev,
};
int rc;
+ ap_init_message(&ap_msg);
ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;
@@ -766,6 +768,7 @@ static long zcrypt_pcixcc_send_cprb(struct zcrypt_device *zdev,
};
int rc;
+ ap_init_message(&ap_msg);
ap_msg.message = kmalloc(PCIXCC_MAX_XCRB_MESSAGE_SIZE, GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;
@@ -805,6 +808,7 @@ static long zcrypt_pcixcc_rng(struct zcrypt_device *zdev,
};
int rc;
+ ap_init_message(&ap_msg);
ap_msg.message = kmalloc(PCIXCC_MAX_XCRB_MESSAGE_SIZE, GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;
@@ -972,6 +976,7 @@ static int zcrypt_pcixcc_rng_supported(struct ap_device *ap_dev)
} __attribute__((packed)) *reply;
int rc, i;
+ ap_init_message(&ap_msg);
ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;