[coreboot-gerrit] Change in coreboot[master]: util/cbfstool: Check for NULL before dereference

[Martin Roth (Code Review)]

Martin Roth has uploaded this change for review. ( https://review.coreboot.org/22900

Change subject: util/cbfstool: Check for NULL before dereference
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util/cbfstool: Check for NULL before dereference

Fixed coverity issue: 1302455 - Dereference null return value

Change-Id: I59b908adc4d35f08fda8e4ad3f806714f2caeb65
Signed-off-by: Martin Roth 
---
M util/cbfstool/partitioned_file.c
1 file changed, 4 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/00/22900/1

diff --git a/util/cbfstool/partitioned_file.c b/util/cbfstool/partitioned_file.c
index 7b4b003..9abd32a 100644
--- a/util/cbfstool/partitioned_file.c
+++ b/util/cbfstool/partitioned_file.c
@@ -196,6 +196,10 @@

const struct fmap_area *fmap_fmap_entry =
    			fmap_find_area(file->fmap, SECTION_NAME_FMAP);
+
+	if (!fmap_fmap_entry)
+		return NULL;
+
    if ((long)fmap_fmap_entry->offset != fmap_region_offset) {
    	ERROR("FMAP's '%s' section doesn't point back to FMAP start (did something corrupt this file?)\n",
    						SECTION_NAME_FMAP);