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-rw-r--r--crypto/drbg.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/crypto/drbg.c b/crypto/drbg.c
index edf3ce0..fb33f7d 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;
}
/*
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