Commit d6c066fd authored by Vladis Dronov's avatar Vladis Dronov Committed by Ingo Molnar

efi: Add a sanity check to efivar_store_raw()

Add a sanity check to efivar_store_raw() the same way
efivar_{attr,size,data}_read() and efivar_show_raw() have it.
Signed-off-by: default avatarVladis Dronov <vdronov@redhat.com>
Signed-off-by: default avatarArd Biesheuvel <ardb@kernel.org>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200305084041.24053-3-vdronov@redhat.com
Link: https://lore.kernel.org/r/20200308080859.21568-25-ardb@kernel.org
parent 286d3250
...@@ -208,6 +208,9 @@ efivar_store_raw(struct efivar_entry *entry, const char *buf, size_t count) ...@@ -208,6 +208,9 @@ efivar_store_raw(struct efivar_entry *entry, const char *buf, size_t count)
u8 *data; u8 *data;
int err; int err;
if (!entry || !buf)
return -EINVAL;
if (in_compat_syscall()) { if (in_compat_syscall()) {
struct compat_efi_variable *compat; struct compat_efi_variable *compat;
......
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