libglusterfsclient: Add inode_ctx NULL check during iattr cache validation

Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 253 (Global bug for libglusterfsclient NULL checks and CALLOC handling fixes)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=253

1 files changed, 6 insertions, 0 deletions

diff --git a/libglusterfsclient/src/libglusterfsclient.c b/libglusterfsclient/src/libglusterfsclient.c
index 1dfe33327..8f7ae8809 100755
--- a/libglusterfsclient/src/libglusterfsclient.c
+++ b/libglusterfsclient/src/libglusterfsclient.c
@@ -587,6 +587,12 @@ libgf_is_iattr_cache_valid (libglusterfs_client_ctx_t *ctx, inode_t *inode,
                 return 0;
 
         inode_ctx = libgf_get_inode_ctx (inode);
+        if (!inode_ctx) {
+                gf_log (LIBGF_XL_NAME, GF_LOG_ERROR, "No inode context"
+                        " present\n");
+                return 0;
+        }
+
         pthread_mutex_lock (&inode_ctx->lock);
         {
                 current = time (NULL);