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crypto: cavium - fix memory leak on info 

The object info is being leaked on an error return path, fix this
by setting ret to -ENOMEM and exiting via the request_cleanup path
that will free info.

Detected by CoverityScan, CID#1408439 ("Resource Leak")

Fixes: c694b23329 ("crypto: cavium - Add the Virtual Function driver for CPT")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
hifive-unleashed-5.1
Colin Ian King 2017-11-15 12:37:19 +00:00 committed by Herbert Xu
parent c9683276dd
commit 87aae50af7
1 changed files with 2 additions and 1 deletions
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3
drivers/crypto/cavium/cpt/cptvf_reqmanager.c
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@ -459,7 +459,8 @@ int process_request(struct cpt_vf *cptvf, struct cpt_request_info *req)
info->completion_addr = kzalloc(sizeof(union cpt_res_s), GFP_KERNEL);
if (unlikely(!info->completion_addr)) {
dev_err(&pdev->dev, "Unable to allocate memory for completion_addr\n");
return -ENOMEM;
ret = -ENOMEM;
goto request_cleanup;
}
result = (union cpt_res_s *)info->completion_addr;