diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-02-08 06:12:14 +0000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-02-08 06:12:14 +0000 |
| commit | 047371968ffc470769f541d6933e262dc7085456 (patch) | |
| tree | b1ce900e42494b864dc721932ff8239adf2d5232 /drivers | |
| parent | 860d7dcb20105af1fc7228a162886c421296cd86 (diff) | |
| parent | 24c890dd712f6345e382256cae8c97abb0406b70 (diff) | |
Merge tag 'v6.8-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"Fix regressions in cbc and algif_hash, as well as an older
NULL-pointer dereference in ccp"
* tag 'v6.8-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: algif_hash - Remove bogus SGL free on zero-length error path
crypto: cbc - Ensure statesize is zero
crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/ccp/sev-dev.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index e4d3f45242f6..b04bc1d3d627 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -534,10 +534,16 @@ EXPORT_SYMBOL_GPL(sev_platform_init); static int __sev_platform_shutdown_locked(int *error) { - struct sev_device *sev = psp_master->sev_data; + struct psp_device *psp = psp_master; + struct sev_device *sev; int ret; - if (!sev || sev->state == SEV_STATE_UNINIT) + if (!psp || !psp->sev_data) + return 0; + + sev = psp->sev_data; + + if (sev->state == SEV_STATE_UNINIT) return 0; ret = __sev_do_cmd_locked(SEV_CMD_SHUTDOWN, NULL, error); |