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authorDan Williams <dan.j.williams@intel.com>2009-09-16 21:03:29 -0700
committerDan Williams <dan.j.williams@intel.com>2009-09-16 21:03:29 -0700
commit1b6df6930994d5d027375b07ac9da63644eb5758 (patch)
tree1cf584491f4f1f5407a49ad531ec0b60205f6e38 /crypto
parent376ec37667b510453f5a62fcd95d762786e6a0a9 (diff)
raid6test: fix stack overflow
Testing on x86_64 with NDISKS=255 yields: do_IRQ: modprobe near stack overflow (cur:ffff88007d19c000,sp:ffff88007d19c128) ...and eventually general protection fault: 0000 [#1] Moving the scribble buffers off the stack allows the test to complete successfully. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/async_tx/raid6test.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/crypto/async_tx/raid6test.c b/crypto/async_tx/raid6test.c
index 98c83ca96c8..3ec27c7e62e 100644
--- a/crypto/async_tx/raid6test.c
+++ b/crypto/async_tx/raid6test.c
@@ -28,6 +28,7 @@
#define NDISKS 16 /* Including P and Q */
static struct page *dataptrs[NDISKS];
+static addr_conv_t addr_conv[NDISKS];
static struct page *data[NDISKS+3];
static struct page *spare;
static struct page *recovi;
@@ -69,7 +70,6 @@ static char disk_type(int d, int disks)
static void raid6_dual_recov(int disks, size_t bytes, int faila, int failb, struct page **ptrs)
{
struct async_submit_ctl submit;
- addr_conv_t addr_conv[disks];
struct completion cmp;
struct dma_async_tx_descriptor *tx = NULL;
enum sum_check_flags result = ~0;
@@ -156,7 +156,6 @@ static int test_disks(int i, int j, int disks)
static int test(int disks, int *tests)
{
- addr_conv_t addr_conv[disks];
struct dma_async_tx_descriptor *tx;
struct async_submit_ctl submit;
struct completion cmp;