From: Pujin Shi <shipujin.t@xxxxxxxxx> commit 6500251e590657066a227dce897a0392f302af24 upstream. For older versions of gcc, the array = {0}; will cause warnings: drivers/scsi/ufs/ufshcd-crypto.c: In function 'ufshcd_crypto_keyslot_program': drivers/scsi/ufs/ufshcd-crypto.c:62:8: warning: missing braces around initializer [-Wmissing-braces] union ufs_crypto_cfg_entry cfg = { 0 }; ^ drivers/scsi/ufs/ufshcd-crypto.c:62:8: warning: (near initialization for 'cfg.reg_val') [-Wmissing-braces] drivers/scsi/ufs/ufshcd-crypto.c: In function 'ufshcd_clear_keyslot': drivers/scsi/ufs/ufshcd-crypto.c:103:8: warning: missing braces around initializer [-Wmissing-braces] union ufs_crypto_cfg_entry cfg = { 0 }; ^ 2 warnings generated Link: https://lore.kernel.org/r/20201002063538.1250-1-shipujin.t@xxxxxxxxx Fixes: 70297a8ac7a7 ("scsi: ufs: UFS crypto API") Reviewed-by: Eric Biggers <ebiggers@xxxxxxxxxx> Signed-off-by: Pujin Shi <shipujin.t@xxxxxxxxx> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/scsi/ufs/ufshcd-crypto.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/scsi/ufs/ufshcd-crypto.c +++ b/drivers/scsi/ufs/ufshcd-crypto.c @@ -59,7 +59,7 @@ static int ufshcd_crypto_keyslot_program u8 data_unit_mask = key->crypto_cfg.data_unit_size / 512; int i; int cap_idx = -1; - union ufs_crypto_cfg_entry cfg = { 0 }; + union ufs_crypto_cfg_entry cfg = {}; int err; BUILD_BUG_ON(UFS_CRYPTO_KEY_SIZE_INVALID != 0); @@ -100,7 +100,7 @@ static int ufshcd_clear_keyslot(struct u * Clear the crypto cfg on the device. Clearing CFGE * might not be sufficient, so just clear the entire cfg. */ - union ufs_crypto_cfg_entry cfg = { 0 }; + union ufs_crypto_cfg_entry cfg = {}; return ufshcd_program_key(hba, &cfg, slot); }