diff options
| -rw-r--r-- | crypto/drbg.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/crypto/drbg.c b/crypto/drbg.c index edf3ce04e87f..fb33f7d3b052 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -1178,12 +1178,16 @@ static inline int drbg_alloc_state(struct drbg_state *drbg) goto err; drbg->Vbuf = kmalloc(drbg_statelen(drbg) + ret, GFP_KERNEL); - if (!drbg->Vbuf) + if (!drbg->Vbuf) { + ret = -ENOMEM; goto fini; + } drbg->V = PTR_ALIGN(drbg->Vbuf, ret + 1); drbg->Cbuf = kmalloc(drbg_statelen(drbg) + ret, GFP_KERNEL); - if (!drbg->Cbuf) + if (!drbg->Cbuf) { + ret = -ENOMEM; goto fini; + } drbg->C = PTR_ALIGN(drbg->Cbuf, ret + 1); /* scratchpad is only generated for CTR and Hash */ if (drbg->core->flags & DRBG_HMAC) @@ -1199,8 +1203,10 @@ static inline int drbg_alloc_state(struct drbg_state *drbg) if (0 < sb_size) { drbg->scratchpadbuf = kzalloc(sb_size + ret, GFP_KERNEL); - if (!drbg->scratchpadbuf) + if (!drbg->scratchpadbuf) { + ret = -ENOMEM; goto fini; + } drbg->scratchpad = PTR_ALIGN(drbg->scratchpadbuf, ret + 1); } @@ -1999,7 +2005,7 @@ static int __init drbg_init(void) { unsigned int i = 0; /* pointer to drbg_algs */ unsigned int j = 0; /* pointer to drbg_cores */ - int ret = -EFAULT; + int ret; ret = drbg_healthcheck_sanity(); if (ret) @@ -2009,7 +2015,7 @@ static int __init drbg_init(void) pr_info("DRBG: Cannot register all DRBG types" "(slots needed: %zu, slots available: %zu)\n", ARRAY_SIZE(drbg_cores) * 2, ARRAY_SIZE(drbg_algs)); - return ret; + return -EFAULT; } /* |