Revision 8a254d90a77580244ec57e82bca7eb65656cc167 authored by Ard Biesheuvel on 19 October 2022, 21:29:58 UTC, committed by Ard Biesheuvel on 21 October 2022, 09:09:40 UTC
Commit bbc6d2c6ef22 ("efi: vars: Switch to new wrapper layer")
refactored the efivars layer so that the 'business logic' related to
which UEFI variables affect the boot flow in which way could be moved
out of it, and into the efivarfs driver.
This inadvertently broke setting variables on firmware implementations
that lack the QueryVariableInfo() boot service, because we no longer
tolerate a EFI_UNSUPPORTED result from check_var_size() when calling
efivar_entry_set_get_size(), which now ends up calling check_var_size()
a second time inadvertently.
If QueryVariableInfo() is missing, we support writes of up to 64k -
let's move that logic into check_var_size(), and drop the redundant
call.
Cc: <stable@vger.kernel.org> # v6.0
Fixes: bbc6d2c6ef22 ("efi: vars: Switch to new wrapper layer")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
1 parent 4b017e5
| File | Mode | Size |
|---|---|---|
| ac97 | ||
| aoa | ||
| arm | ||
| atmel | ||
| core | ||
| drivers | ||
| firewire | ||
| hda | ||
| i2c | ||
| isa | ||
| mips | ||
| oss | ||
| parisc | ||
| pci | ||
| pcmcia | ||
| ppc | ||
| sh | ||
| soc | ||
| sparc | ||
| spi | ||
| synth | ||
| usb | ||
| virtio | ||
| x86 | ||
| xen | ||
| Kconfig | -rw-r--r-- | 2.8 KB |
| Makefile | -rw-r--r-- | 565 bytes |
| ac97_bus.c | -rw-r--r-- | 2.9 KB |
| last.c | -rw-r--r-- | 628 bytes |
| sound_core.c | -rw-r--r-- | 14.2 KB |
Computing file changes ...
