diff options
Diffstat (limited to 'arch/x86/kernel/cpu/sgx/virt.c')
| -rw-r--r-- | arch/x86/kernel/cpu/sgx/virt.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/sgx/virt.c b/arch/x86/kernel/cpu/sgx/virt.c index 727f2570c8b9..8de1f1a755f2 100644 --- a/arch/x86/kernel/cpu/sgx/virt.c +++ b/arch/x86/kernel/cpu/sgx/virt.c @@ -256,10 +256,11 @@ static int sgx_vepc_release(struct inode *inode, struct file *file) xa_destroy(&vepc->page_array); kfree(vepc); + sgx_dec_usage_count(); return 0; } -static int sgx_vepc_open(struct inode *inode, struct file *file) +static int __sgx_vepc_open(struct inode *inode, struct file *file) { struct sgx_vepc *vepc; @@ -274,6 +275,23 @@ static int sgx_vepc_open(struct inode *inode, struct file *file) return 0; } +static int sgx_vepc_open(struct inode *inode, struct file *file) +{ + int ret; + + ret = sgx_inc_usage_count(); + if (ret) + return ret; + + ret = __sgx_vepc_open(inode, file); + if (ret) { + sgx_dec_usage_count(); + return ret; + } + + return 0; +} + static long sgx_vepc_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { |