[coreboot-gerrit] Change in em100[master]: em100: Fix malloc() failure checks

[Jacob Garber (Code Review)]

Jacob Garber has uploaded this change for review. ( https://review.coreboot.org/c/em100/+/34916 )

Change subject: em100: Fix malloc() failure checks
......................................................................

em100: Fix malloc() failure checks

The checks should be readback == NULL, since those are the buffers that
we just allocated. The check for data == NULL was already done earlier.
We also need to free() the data buffer if these allocations fail.

Change-Id: Ibc798673a3ce6796bf036bd962da248d12dee47c
Signed-off-by: Jacob Garber 
---
M em100.c
1 file changed, 4 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/em100 refs/changes/16/34916/1

diff --git a/em100.c b/em100.c
index 64a4ab2..f861ffe 100644
--- a/em100.c
+++ b/em100.c
@@ -827,8 +827,9 @@

if (spi_start_address) {
    		readback = malloc(maxlen);
-			if (data == NULL) {
+			if (readback == NULL) {
    			printf("FATAL: couldn't allocate memory(size: %x)\n", maxlen);
+				free(data);
    			return 1;
    		}
    		done = read_sdram(&em100, readback, 0, maxlen);
@@ -841,8 +842,9 @@

if (verify) {
    		readback = malloc(length);
-			if (data == NULL) {
+			if (readback == NULL) {
    			printf("FATAL: couldn't allocate memory\n");
+				free(data);
    			return 1;
    		}
    		done = read_sdram(&em100, readback, spi_start_address, length);