[coreboot-gerrit] Change in coreboot[master]: lib/fmap: Add null parameters handling

[Name of user not set (Code Review)]

Name of user not set #1003143 has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/48531 )

Change subject: lib/fmap: Add null parameters handling
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lib/fmap: Add null parameters handling

Prevent segmentation fault when passing NULL as parameters.

Signed-off-by: Jakub Czapiga 
Change-Id: Ie712d040b1c2383dcc8884e5f779c3591ccf0163
---
M src/lib/fmap.c
1 file changed, 6 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/31/48531/1

diff --git a/src/lib/fmap.c b/src/lib/fmap.c
index 2abe138..418e715 100644
--- a/src/lib/fmap.c
+++ b/src/lib/fmap.c
@@ -164,6 +164,9 @@
    struct region_device fmrd;
    size_t offset;

+	if (name == NULL || ar == NULL)
+		return -1;
+
    if (find_fmap_directory(&fmrd))
    	return -1;

@@ -206,6 +209,9 @@
    struct region_device fmrd;
    size_t offset;

+	if (name == NULL || ar == NULL)
+		return -1;
+
    if (find_fmap_directory(&fmrd))
    	return -1;