[U-Boot] [PATCH 05/18] efi_loader: efi_disk: check return value of calloc
Heinrich Schuchardt
xypron.glpk at gmx.de
Thu Oct 26 17:25:46 UTC 2017
Calloc may return NULL. We should check the return value.
Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
---
lib/efi_loader/efi_disk.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c
index e61dbc8058..c6f0d732c1 100644
--- a/lib/efi_loader/efi_disk.c
+++ b/lib/efi_loader/efi_disk.c
@@ -196,6 +196,15 @@ efi_fs_from_path(struct efi_device_path *fp)
return diskobj->volume;
}
+/*
+ * Create a device for a disk
+ *
+ * @name not used
+ * @if_typename interface name for block device
+ * @desc internal block device
+ * @dev_index device index for block device
+ * @offset offset into disk for simple partitions
+ */
static void efi_disk_add_dev(const char *name,
const char *if_typename,
struct blk_desc *desc,
@@ -210,6 +219,10 @@ static void efi_disk_add_dev(const char *name,
return;
diskobj = calloc(1, sizeof(*diskobj));
+ if (!diskobj) {
+ printf("ERROR: Out of memory\n");
+ return;
+ }
/* Fill in object data */
diskobj->dp = efi_dp_from_part(desc, part);
--
2.11.0
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