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[S390] zcrypt: initialize ap_messages for cex3 exploitation

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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>
This commit is contained in:
Felix Beck
2009-12-07 12:51:54 +01:00
committed by Martin Schwidefsky
parent f4ac1d0255
commit 468ffddf19
5 changed files with 22 additions and 0 deletions
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2
drivers/s390/crypto/zcrypt_cex2a.c
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@@ -298,6 +298,7 @@ static long zcrypt_cex2a_modexpo(struct zcrypt_device *zdev,
struct completion work;
int rc;
ap_init_message(&ap_msg);
ap_msg.message = kmalloc(CEX2A_MAX_MESSAGE_SIZE, GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;
@@ -335,6 +336,7 @@ static long zcrypt_cex2a_modexpo_crt(struct zcrypt_device *zdev,
struct completion work;
int rc;
ap_init_message(&ap_msg);
ap_msg.message = kmalloc(CEX2A_MAX_MESSAGE_SIZE, GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;