In case of error, the bnx2fc_allocate_hash_table() didn't free
all the memory it allocated.
Signed-off-by: Maurizio Lombardi <mlomb...@redhat.com>
---
drivers/scsi/bnx2fc/bnx2fc_hwi.c | 31 +++++++++++++++++++------------
1 file changed, 19 insertions(+), 12 deletions(-)
diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
index f83bae4..5a7865f 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
@@ -2026,7 +2026,7 @@ static int bnx2fc_allocate_hash_table(struct bnx2fc_hba
*hba)
dma_segment_array = kzalloc(dma_segment_array_size, GFP_KERNEL);
if (!dma_segment_array) {
printk(KERN_ERR PFX "hash table pointers (dma) alloc failed\n");
- return -ENOMEM;
+ goto fail;
}
for (i = 0; i < segment_count; ++i) {
@@ -2037,15 +2037,7 @@ static int bnx2fc_allocate_hash_table(struct bnx2fc_hba
*hba)
GFP_KERNEL);
if (!hba->hash_tbl_segments[i]) {
printk(KERN_ERR PFX "hash segment alloc failed\n");
- while (--i >= 0) {
- dma_free_coherent(&hba->pcidev->dev,
- BNX2FC_HASH_TBL_CHUNK_SIZE,
- hba->hash_tbl_segments[i],
- dma_segment_array[i]);
- hba->hash_tbl_segments[i] = NULL;
- }
- kfree(dma_segment_array);
- return -ENOMEM;
+ goto fail;
}
memset(hba->hash_tbl_segments[i], 0,
BNX2FC_HASH_TBL_CHUNK_SIZE);
@@ -2057,8 +2049,7 @@ static int bnx2fc_allocate_hash_table(struct bnx2fc_hba
*hba)
GFP_KERNEL);
if (!hba->hash_tbl_pbl) {
printk(KERN_ERR PFX "hash table pbl alloc failed\n");
- kfree(dma_segment_array);
- return -ENOMEM;
+ goto fail;
}
memset(hba->hash_tbl_pbl, 0, PAGE_SIZE);
@@ -2083,6 +2074,22 @@ static int bnx2fc_allocate_hash_table(struct bnx2fc_hba
*hba)
}
kfree(dma_segment_array);
return 0;
+
+fail:
+ for (i = 0; i < segment_count; ++i) {
+ if (hba->hash_tbl_segments[i])
+ dma_free_coherent(&hba->pcidev->dev,
+ BNX2FC_HASH_TBL_CHUNK_SIZE,
+ hba->hash_tbl_segments[i],
+ dma_segment_array[i]);
+ }
+
+ if (dma_segment_array)
+ kfree(dma_segment_array);
+
+ kfree(hba->hash_tbl_segments);
+ hba->hash_tbl_segments = NULL;
+ return -ENOMEM;
}
/**
--
Maurizio Lombardi
--
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