[fedfs-utils] [PATCH v2 2/8] fedfsd: don't return freed memory through **pathname parameter, ...

Jim Meyering jim at meyering.net
Thu Dec 1 04:27:13 PST 2011


From: Jim Meyering <meyering at redhat.com>

even though upon error it will not be used.
* src/fedfsd/svc.c (fedfsd_pathwalk): On an error path, don't
set *pathname at all, and certainly not to a just-freed pointer.
Spotted by coverity.

Signed-off-by: Jim Meyering <meyering at redhat.com>
---
 src/fedfsd/svc.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/fedfsd/svc.c b/src/fedfsd/svc.c
index 132be70..12940c7 100644
--- a/src/fedfsd/svc.c
+++ b/src/fedfsd/svc.c
@@ -316,10 +316,12 @@ fedfsd_pathwalk(const FedFsPathName fpath, char **pathname)
 		xlog(D_CALL, "%s: Zero-component pathname", __func__);
 		strcat(result, "/");
 		retval = fedfsd_pathwalk_check_term(result);
-		if (retval != FEDFS_OK)
+		if (retval != FEDFS_OK) {
 			free(result);
+			return retval;
+		}
 		*pathname = result;
-		return retval;
+		return FEDFS_OK;
 	}

 	for (i = 0; i < fpath.FedFsPathName_len; i++) {
-- 
1.7.8.rc4




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