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 EINVALID. Signed-off-by: Suma Hegde <suma.hegde@xxxxxxx> Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@xxxxxxx> --- Changes from v1: None, new patch(after splitting the 1st patch). drivers/platform/x86/amd/hsmp/hsmp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/platform/x86/amd/hsmp/hsmp.c b/drivers/platform/x86/amd/hsmp/hsmp.c index ce91b2cefca2..f29dd93fbf0b 100644 --- a/drivers/platform/x86/amd/hsmp/hsmp.c +++ b/drivers/platform/x86/amd/hsmp/hsmp.c @@ -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); -- 2.25.1
