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platform/x86/amd/hsmp: Change the error type

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When file is opened in WRITE only mode, then GET messages are not allowed
and when file is opened in READ only mode, SET messages are not allowed.
In these scenerios, return error EPERM to userspace instead of EINVAL.

Signed-off-by: Suma Hegde <suma.hegde@amd.com>
Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com>
Link: https://lore.kernel.org/r/20241112120450.2407125-2-suma.hegde@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
Suma Hegde 2024-11-12 12:04:50 +00:00 committed by Ilpo Järvinen
parent 996b318e6f
commit 8560b2775a
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GPG Key ID: 59AC4F6153E5CE31
1 changed files with 3 additions and 3 deletions
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6
drivers/platform/x86/amd/hsmp/hsmp.c
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@ -262,7 +262,7 @@ long hsmp_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
* Execute only set/configure commands
*/
if (hsmp_msg_desc_table[msg.msg_id].type != HSMP_SET)
return -EINVAL;
return -EPERM;
break;
case FMODE_READ:
/*
@ -270,7 +270,7 @@ long hsmp_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
* Execute only get/monitor commands
*/
if (hsmp_msg_desc_table[msg.msg_id].type != HSMP_GET)
return -EINVAL;
return -EPERM;
break;
case FMODE_READ | FMODE_WRITE:
/*
@ -279,7 +279,7 @@ long hsmp_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
*/
break;
default:
return -EINVAL;
return -EPERM;
}
ret = hsmp_send_message(&msg);