2.6.22-stable review patch. If anyone has any objections, please let us
know.
------------------
From: Herbert Xu <[email protected]>
[IPSEC]: Fix crypto_alloc_comp error checking
[ Upstream commit: 4999f3621f4da622e77931b3d33ada6c7083c705 ]
The function crypto_alloc_comp returns an errno instead of NULL
to indicate error. So it needs to be tested with IS_ERR.
This is based on a patch by Vicen� Beltran Querol.
Signed-off-by: Herbert Xu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/ipv4/ipcomp.c | 3 ++-
net/ipv6/ipcomp6.c | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -17,6 +17,7 @@
#include <asm/scatterlist.h>
#include <asm/semaphore.h>
#include <linux/crypto.h>
+#include <linux/err.h>
#include <linux/pfkeyv2.h>
#include <linux/percpu.h>
#include <linux/smp.h>
@@ -355,7 +356,7 @@ static struct crypto_comp **ipcomp_alloc
for_each_possible_cpu(cpu) {
struct crypto_comp *tfm = crypto_alloc_comp(alg_name, 0,
CRYPTO_ALG_ASYNC);
- if (!tfm)
+ if (IS_ERR(tfm))
goto error;
*per_cpu_ptr(tfms, cpu) = tfm;
}
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -37,6 +37,7 @@
#include <asm/scatterlist.h>
#include <asm/semaphore.h>
#include <linux/crypto.h>
+#include <linux/err.h>
#include <linux/pfkeyv2.h>
#include <linux/random.h>
#include <linux/percpu.h>
@@ -366,7 +367,7 @@ static struct crypto_comp **ipcomp6_allo
for_each_possible_cpu(cpu) {
struct crypto_comp *tfm = crypto_alloc_comp(alg_name, 0,
CRYPTO_ALG_ASYNC);
- if (!tfm)
+ if (IS_ERR(tfm))
goto error;
*per_cpu_ptr(tfms, cpu) = tfm;
}
--
-
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