Initialize "ret" to zero as otherwise a zero length address range will leave it uninitialized. Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> Cc: Borislav Petkov <bp@xxxxxxxxx> Link: https://lore.kernel.org/linux-sgx/X8ehQssnslm194ld@mwanda/ Fixes: c6d26d370767 ("x86/sgx: Add SGX_IOC_ENCLAVE_ADD_PAGES") Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Signed-off-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx> --- arch/x86/kernel/cpu/sgx/ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/sgx/ioctl.c b/arch/x86/kernel/cpu/sgx/ioctl.c index c206aee80a04..36a244504da2 100644 --- a/arch/x86/kernel/cpu/sgx/ioctl.c +++ b/arch/x86/kernel/cpu/sgx/ioctl.c @@ -415,7 +415,7 @@ static long sgx_ioc_enclave_add_pages(struct sgx_encl *encl, void __user *arg) struct sgx_enclave_add_pages add_arg; struct sgx_secinfo secinfo; unsigned long c; - int ret; + int ret = 0; if (!test_bit(SGX_ENCL_CREATED, &encl->flags) || test_bit(SGX_ENCL_INITIALIZED, &encl->flags)) -- 2.27.0
