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authorJakub Czapiga <jacz@semihalf.com>2020-12-10 12:21:52 +0100
committerPaul Fagerburg <pfagerburg@chromium.org>2020-12-11 19:15:25 +0000
commit5446bdb270be409eaf5a0a60d86ebeb2ec4358ad (patch)
tree003640a1a25237ef762867d4db0aa11bc85c25d2
parent71f639f123df43263fec0e0024ea07f257abeb50 (diff)
lib/fmap: Add null parameters handling
Prevent null-pointer access when passed as parameter. Signed-off-by: Jakub Czapiga <jacz@semihalf.com> Change-Id: Ie712d040b1c2383dcc8884e5f779c3591ccf0163 Reviewed-on: https://review.coreboot.org/c/coreboot/+/48531 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
-rw-r--r--src/lib/fmap.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/lib/fmap.c b/src/lib/fmap.c
index 2abe138cdd..418e715b3e 100644
--- a/src/lib/fmap.c
+++ b/src/lib/fmap.c
@@ -164,6 +164,9 @@ int fmap_locate_area(const char *name, struct region *ar)
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 @@ int fmap_find_region_name(const struct region * const ar,
struct region_device fmrd;
size_t offset;
+ if (name == NULL || ar == NULL)
+ return -1;
+
if (find_fmap_directory(&fmrd))
return -1;