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crypto: ccp - Fix __sev_snp_shutdown_locked

Fix smatch warning:
drivers/crypto/ccp/sev-dev.c:1755 __sev_snp_shutdown_locked()
error: uninitialized symbol 'dfflush_error'.

Fixes: 9770b428b1a2 ("crypto: ccp - Move dev_info/err messages for SEV/SNP init and shutdown")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/linux-crypto/d9c2e79c-e26e-47b7-8243-ff6e7b101ec3@stanley.mountain/
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

authored by

Ashish Kalra and committed by
Herbert Xu 9af6339a d701722a

+1 -1
+1 -1
drivers/crypto/ccp/sev-dev.c
··· 1744 1744 ret = __sev_do_cmd_locked(SEV_CMD_SNP_SHUTDOWN_EX, &data, error); 1745 1745 /* SHUTDOWN may require DF_FLUSH */ 1746 1746 if (*error == SEV_RET_DFFLUSH_REQUIRED) { 1747 - int dfflush_error; 1747 + int dfflush_error = SEV_RET_NO_FW_CALL; 1748 1748 1749 1749 ret = __sev_do_cmd_locked(SEV_CMD_SNP_DF_FLUSH, NULL, &dfflush_error); 1750 1750 if (ret) {