[U-Boot] [PATCH 1/1] efi_loader: memory leak in efi_set_variable()

Heinrich Schuchardt xypron.glpk at gmx.de
Tue Oct 2 03:30:05 UTC 2018


Do not leak native_name if out of memory.

This addresses CoverityScan CID 184095.

Reported-by: Tom Rini <trini at konsulko.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
---
 lib/efi_loader/efi_variable.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/efi_loader/efi_variable.c b/lib/efi_loader/efi_variable.c
index a1313fa215..19d9cb865f 100644
--- a/lib/efi_loader/efi_variable.c
+++ b/lib/efi_loader/efi_variable.c
@@ -294,8 +294,10 @@ efi_status_t EFIAPI efi_set_variable(u16 *variable_name, efi_guid_t *vendor,
 	}
 
 	val = malloc(2 * data_size + strlen("{ro,run,boot}(blob)") + 1);
-	if (!val)
-		return EFI_EXIT(EFI_OUT_OF_RESOURCES);
+	if (!val) {
+		ret = EFI_OUT_OF_RESOURCES;
+		goto out;
+	}
 
 	s = val;
 
-- 
2.19.0



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