vfs_fruit: Fix CID 1416474 Dereference null return value

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

diff --git a/source3/modules/vfs_fruit.c b/source3/modules/vfs_fruit.c
index 4299583b21be4f070aa7a706a05fa571799fe9eb..0a8141a9e515875a73655a6ffa3d80ec6958bb14 100644 (file)
--- a/source3/modules/vfs_fruit.c
+++ b/source3/modules/vfs_fruit.c
@@ -4065,6 +4065,11 @@ static ssize_t fruit_pread_rsrc(vfs_handle_struct *handle,
        struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
        ssize_t nread;
 
+       if (fio == NULL) {
+               errno = EINVAL;
+               return -1;
+       }
+
        switch (fio->config->rsrc) {
        case FRUIT_RSRC_STREAM:
                nread = fruit_pread_rsrc_stream(handle, fsp, data, n, offset);