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From: Gagandeep Singh <G.Singh@nxp.com>
To: "dev@dpdk.org" <dev@dpdk.org>, Akhil Goyal <akhil.goyal@nxp.com>
Cc: Gagandeep Singh <G.Singh@nxp.com>
Subject: [dpdk-dev] [PATCH] crypto/caam_jr: fix memory leak and illegal memory access
Date: Tue, 9 Apr 2019 06:18:38 +0000	[thread overview]
Message-ID: <1554813675-13955-1-git-send-email-g.singh@nxp.com> (raw)

Opendir() returns allocated storage which must be freed at the
end of function or in case any return on error. so freeing the
allocation using closedir in an error case.

Coverity issue: 323507
Coverity issue: 325880
Fixes: e7a45f3cc245 ("crypto/caam_jr: add UIO specific operations")
Cc: g.singh@nxp.com

Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
---
 drivers/crypto/caam_jr/caam_jr_uio.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/caam_jr/caam_jr_uio.c b/drivers/crypto/caam_jr/caam_jr_uio.c
index bf872a2..afd75c9 100644
--- a/drivers/crypto/caam_jr/caam_jr_uio.c
+++ b/drivers/crypto/caam_jr/caam_jr_uio.c
@@ -362,8 +362,8 @@
 			job_ring->register_base_addr,
 			(unsigned long)job_ring->map_size, strerror(errno));
 	} else
-		CAAM_JR_DEBUG("  JR UIO memory unmapped at %p",
-				job_ring->register_base_addr);
+		CAAM_JR_DEBUG("JR UIO memory is unmapped");
+
 	job_ring->register_base_addr = NULL;
 }
 
@@ -445,7 +445,11 @@ uio_job_ring *config_job_ring(void)
 			ret = file_read_first_line(SEC_UIO_DEVICE_SYS_ATTR_PATH,
 					dir->d_name, "name", uio_name);
 			CAAM_JR_INFO("sec device uio name: %s", uio_name);
-			SEC_ASSERT(ret == 0, -1, "file_read_first_line failed");
+			if (ret != 0) {
+				CAAM_JR_ERR("file_read_first_line failed\n");
+				closedir(d);
+				return -1;
+			}
 
 			if (file_name_match_extract(uio_name,
 						SEC_UIO_DEVICE_NAME,
-- 
1.9.1


             reply	other threads:[~2019-04-09  6:18 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-09  6:18 Gagandeep Singh [this message]
2019-04-09  6:18 ` Gagandeep Singh
2019-04-16 13:47 ` Akhil Goyal
2019-04-16 13:47   ` Akhil Goyal
2019-04-16 14:51   ` Akhil Goyal
2019-04-16 14:51     ` Akhil Goyal

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