Fix for NULL pointer dereference defect.

Pointer 'disk' returned from call to function '_get_imsm_disk' at line
700 may be NULL and will be dereferenced at line 710.

Signed-off-by: Artur Wojcik <artur.wojcik@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/super-intel.c b/super-intel.c
index a2acaaf2429ed9592518998204702c84d5a87ffd..da753a0a482a6ad3997c06fda868af818105b046 100644 (file)
--- a/super-intel.c
+++ b/super-intel.c
@@ -703,7 +703,7 @@ static void print_imsm_disk(struct imsm_super *mpb, int index, __u32 reserved)
        char str[MAX_RAID_SERIAL_LEN + 1];
        __u64 sz;
 
-       if (index < 0)
+       if (index < 0 || !disk)
                return;
 
        printf("\n");