[PATCH 18/19] validate_geometry_imsm_volume(): Avoid NULL pointer dereference
From: <hidden>
Date: 2011-11-01 15:09:34
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Jes Sorensen <redacted> Signed-off-by: Jes Sorensen <redacted> --- super-intel.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/super-intel.c b/super-intel.c
index 34a4b34..0193fe7 100644
--- a/super-intel.c
+++ b/super-intel.c@@ -5139,7 +5139,7 @@ static int validate_geometry_imsm_volume(struct supertype *st, int level, { struct stat stb; struct intel_super *super = st->sb; - struct imsm_super *mpb = super->anchor; + struct imsm_super *mpb; struct dl *dl; unsigned long long pos = 0; unsigned long long maxsize;
@@ -5150,6 +5150,8 @@ static int validate_geometry_imsm_volume(struct supertype *st, int level, if (!super) return 0; + mpb = super->anchor; + if (mpb->num_raid_devs > 0 && mpb->num_disks != raiddisks) { fprintf(stderr, Name ": the option-rom requires all " "member disks to be a member of all volumes.\n");
--
1.7.6.4