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crypto: ccp - narrow scope of snp_range_list

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snp_range_list is only used in __sev_snp_init_locked() in the SNP_INIT_EX
case, move the declaration there and add a __free() cleanup helper for it
instead of waiting until shutdown.

Fixes: 1ca5614b84 ("crypto: ccp: Add support to initialize the AMD-SP for SEV-SNP")
Reviewed-by: Alexey Kardashevskiy <aik@amd.com>
Signed-off-by: Tycho Andersen (AMD) <tycho@kernel.org>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tycho Andersen (AMD) 2026-01-05 10:22:18 -07:00 • committed by Herbert Xu
parent 551120148b
commit dc8ccab150
1 changed files with 1 additions and 12 deletions
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13
drivers/crypto/ccp/sev-dev.c
View file

@ -127,13 +127,6 @@ static size_t sev_es_tmr_size = SEV_TMR_SIZE;
#define NV_LENGTH (32 * 1024)
static void *sev_init_ex_buffer;
/*
* SEV_DATA_RANGE_LIST:
* Array containing range of pages that firmware transitions to HV-fixed
* page state.
*/
static struct sev_data_range_list *snp_range_list;
static void __sev_firmware_shutdown(struct sev_device *sev, bool panic);
static int snp_shutdown_on_panic(struct notifier_block *nb,
@ -1361,6 +1354,7 @@ static int snp_filter_reserved_mem_regions(struct resource *rs, void *arg)
static int __sev_snp_init_locked(int *error, unsigned int max_snp_asid)
{
struct sev_data_range_list *snp_range_list __free(kfree) = NULL;
struct psp_device *psp = psp_master;
struct sev_data_snp_init_ex data;
struct sev_device *sev;
@ -2780,11 +2774,6 @@ static void __sev_firmware_shutdown(struct sev_device *sev, bool panic)
sev_init_ex_buffer = NULL;
}
if (snp_range_list) {
kfree(snp_range_list);
snp_range_list = NULL;
}
__sev_snp_shutdown_locked(&error, panic);
}