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| author | Jules Irenge <jbi.octave@gmail.com> | 2024-05-07 22:13:52 +0100 |
|---|---|---|
| committer | Alexander Gordeev <agordeev@linux.ibm.com> | 2024-05-14 13:46:18 +0200 |
| commit | 22e6824622e8a8889df0f8fc4ed5aea0e702a694 (patch) | |
| tree | 05f1bc35a366ad324d8cc1496d2bc5012cc386bb /drivers/s390 | |
| parent | 980fffff14f8c788b54b44e5819ff9bc1d1290fb (diff) | |
| download | linux-stable-22e6824622e8a8889df0f8fc4ed5aea0e702a694.tar.gz linux-stable-22e6824622e8a8889df0f8fc4ed5aea0e702a694.tar.bz2 linux-stable-22e6824622e8a8889df0f8fc4ed5aea0e702a694.zip | |
s390/pkey: Use kfree_sensitive() to fix Coccinelle warnings
Replace memzero_explicit() and kfree() with kfree_sensitive() to fix
warnings reported by Coccinelle:
WARNING opportunity for kfree_sensitive/kvfree_sensitive (line 1506)
WARNING opportunity for kfree_sensitive/kvfree_sensitive (line 1643)
WARNING opportunity for kfree_sensitive/kvfree_sensitive (line 1770)
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Reviewed-by: Holger Dengler <dengler@linux.ibm.com>
Link: https://lore.kernel.org/r/ZjqZkNi_JUJu73Rg@octinomon.home
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/crypto/pkey_api.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c index dccf664a3d95..933894065623 100644 --- a/drivers/s390/crypto/pkey_api.c +++ b/drivers/s390/crypto/pkey_api.c @@ -1503,8 +1503,7 @@ static long pkey_unlocked_ioctl(struct file *filp, unsigned int cmd, rc = pkey_keyblob2pkey(kkey, ktp.keylen, ktp.protkey.protkey, &ktp.protkey.len, &ktp.protkey.type); pr_debug("%s pkey_keyblob2pkey()=%d\n", __func__, rc); - memzero_explicit(kkey, ktp.keylen); - kfree(kkey); + kfree_sensitive(kkey); if (rc) break; if (copy_to_user(utp, &ktp, sizeof(ktp))) @@ -1640,8 +1639,7 @@ static long pkey_unlocked_ioctl(struct file *filp, unsigned int cmd, &ktp.protkey.type); pr_debug("%s pkey_keyblob2pkey2()=%d\n", __func__, rc); kfree(apqns); - memzero_explicit(kkey, ktp.keylen); - kfree(kkey); + kfree_sensitive(kkey); if (rc) break; if (copy_to_user(utp, &ktp, sizeof(ktp))) @@ -1767,8 +1765,7 @@ static long pkey_unlocked_ioctl(struct file *filp, unsigned int cmd, protkey, &protkeylen, &ktp.pkeytype); pr_debug("%s pkey_keyblob2pkey3()=%d\n", __func__, rc); kfree(apqns); - memzero_explicit(kkey, ktp.keylen); - kfree(kkey); + kfree_sensitive(kkey); if (rc) { kfree(protkey); break; |