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-rw-r--r--fs/efivarfs.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/fs/efivarfs.c b/fs/efivarfs.c
index 925e8e8be1..87fc771739 100644
--- a/fs/efivarfs.c
+++ b/fs/efivarfs.c
@@ -269,6 +269,7 @@ static int efivarfs_read(struct device_d *_dev, FILE *f, void *buf, size_t insiz
static int efivarfs_write(struct device_d *_dev, FILE *f, const void *buf, size_t insize)
{
struct efivars_file *efile = f->priv;
+ efi_status_t efiret;
if (efile->size < f->pos + insize) {
efile->buf = realloc(efile->buf, f->pos + insize);
@@ -277,8 +278,11 @@ static int efivarfs_write(struct device_d *_dev, FILE *f, const void *buf, size_
memcpy(efile->buf + f->pos, buf, insize);
- RT->set_variable(efile->name, &efile->vendor, efile->attributes,
- efile->size ? efile->size : 1, efile->buf);
+ efiret = RT->set_variable(efile->name, &efile->vendor,
+ efile->attributes,
+ efile->size ? efile->size : 1, efile->buf);
+ if (EFI_ERROR(efiret))
+ return -efi_errno(efiret);
return insize;
}
@@ -286,12 +290,16 @@ static int efivarfs_write(struct device_d *_dev, FILE *f, const void *buf, size_
static int efivarfs_truncate(struct device_d *dev, FILE *f, ulong size)
{
struct efivars_file *efile = f->priv;
+ efi_status_t efiret;
efile->size = size;
efile->buf = realloc(efile->buf, efile->size + sizeof(uint32_t));
- RT->set_variable(efile->name, &efile->vendor, efile->attributes,
- efile->size ? efile->size : 1, efile->buf);
+ efiret = RT->set_variable(efile->name, &efile->vendor,
+ efile->attributes,
+ efile->size ? efile->size : 1, efile->buf);
+ if (EFI_ERROR(efiret))
+ return -efi_errno(efiret);
f->size = efile->size;