[linux-pam] pam_unix: check for NULL return from malloc()

[Tomáš Mráz]

commit 696d4cc68fb60461081e5f29c6ef3094feebac8d
Author: Tomas Mraz <tmraz(a)fedoraproject.org&gt;
Date:   Thu Jun 19 13:43:26 2014 +0200

    pam_unix: check for NULL return from malloc()
    
    * modules/pam_unix/md5_crypt.c (crypt_md5): Check for NULL return from malloc().

 modules/pam_unix/md5_crypt.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/modules/pam_unix/md5_crypt.c b/modules/pam_unix/md5_crypt.c
index 53972fc..4ab9ec8 100644
--- a/modules/pam_unix/md5_crypt.c
+++ b/modules/pam_unix/md5_crypt.c
@@ -51,6 +51,8 @@ char *MD5Name(crypt_md5)(const char *pw, const char *salt)
 	/* TODO: now that we're using malloc'ed memory, get rid of the
 	   strange constant buffer size. */
 	passwd = malloc(120);
+	if (passwd == NULL)
+		return NULL;
 
 	/* If it starts with the magic string, then skip that */
 	if (!strncmp(sp, magic, strlen(magic)))