[PATCH v2] libiberty(argv.c): Fix memory leak in expandargv.

[Ayush Mittal via Gcc-patches]

libiberty/ChangeLog:

        * argv.c (expandargv): free allocated buffer if read fails.

Signed-off-by: Ayush Mittal <ayus...@samsung.com>
Signed-off-by: Maninder Singh <maninder...@samsung.com>
---
v1 -> v2: corrected formatting and changelog commit

 libiberty/argv.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libiberty/argv.c b/libiberty/argv.c
index cd97f90..48dcd10 100644
--- a/libiberty/argv.c
+++ b/libiberty/argv.c
@@ -442,7 +442,10 @@ expandargv (int *argcp, char ***argvp)
             due to CR/LF->CR translation when reading text files.
             That does not in-and-of itself indicate failure.  */
          && ferror (f))
-       goto error;
+       {
+         free (buffer);
+         goto error;
+       }
       /* Add a NUL terminator.  */
       buffer[len] = '\0';
       /* If the file is empty or contains only whitespace, buildargv would
-- 
1.9.1