summaryrefslogtreecommitdiffstats
path: root/drivers/firmware
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 10:15:33 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 10:15:33 +0000
commita097cf30108c0151cb2684afd962bd2678ff97d7 (patch)
treede1ac8afc7248eec4b2fb60496b8e9273452d9f7 /drivers/firmware
parentAdding upstream version 6.1.82. (diff)
downloadlinux-a097cf30108c0151cb2684afd962bd2678ff97d7.tar.xz
linux-a097cf30108c0151cb2684afd962bd2678ff97d7.zip
Adding upstream version 6.1.85.upstream/6.1.85
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/arm_scmi/smc.c7
-rw-r--r--drivers/firmware/efi/efi.c2
-rw-r--r--drivers/firmware/efi/libstub/randomalloc.c2
-rw-r--r--drivers/firmware/efi/libstub/x86-stub.c7
4 files changed, 15 insertions, 3 deletions
diff --git a/drivers/firmware/arm_scmi/smc.c b/drivers/firmware/arm_scmi/smc.c
index ac0bd51ef..42ea308a2 100644
--- a/drivers/firmware/arm_scmi/smc.c
+++ b/drivers/firmware/arm_scmi/smc.c
@@ -171,6 +171,13 @@ static int smc_chan_free(int id, void *p, void *data)
struct scmi_chan_info *cinfo = p;
struct scmi_smc *scmi_info = cinfo->transport_info;
+ /*
+ * Different protocols might share the same chan info, so a previous
+ * smc_chan_free call might have already freed the structure.
+ */
+ if (!scmi_info)
+ return 0;
+
/* Ignore any possible further reception on the IRQ path */
if (scmi_info->irq > 0)
free_irq(scmi_info->irq, scmi_info);
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 9077353d1..28d4defc5 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -194,6 +194,8 @@ static bool generic_ops_supported(void)
name_size = sizeof(name);
+ if (!efi.get_next_variable)
+ return false;
status = efi.get_next_variable(&name_size, &name, &guid);
if (status == EFI_UNSUPPORTED)
return false;
diff --git a/drivers/firmware/efi/libstub/randomalloc.c b/drivers/firmware/efi/libstub/randomalloc.c
index 7ba05719a..fff826f56 100644
--- a/drivers/firmware/efi/libstub/randomalloc.c
+++ b/drivers/firmware/efi/libstub/randomalloc.c
@@ -119,7 +119,7 @@ efi_status_t efi_random_alloc(unsigned long size,
continue;
}
- target = round_up(md->phys_addr, align) + target_slot * align;
+ target = round_up(max_t(u64, md->phys_addr, alloc_min), align) + target_slot * align;
pages = size / EFI_PAGE_SIZE;
status = efi_bs_call(allocate_pages, EFI_ALLOCATE_ADDRESS,
diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c
index 784e1b2ae..dc50dda40 100644
--- a/drivers/firmware/efi/libstub/x86-stub.c
+++ b/drivers/firmware/efi/libstub/x86-stub.c
@@ -21,6 +21,8 @@
#include "efistub.h"
#include "x86-stub.h"
+extern char _bss[], _ebss[];
+
const efi_system_table_t *efi_system_table;
const efi_dxe_services_table_t *efi_dxe_table;
static efi_loaded_image_t *image = NULL;
@@ -432,6 +434,9 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
efi_status_t status;
char *cmdline_ptr;
+ if (efi_is_native())
+ memset(_bss, 0, _ebss - _bss);
+
efi_system_table = sys_table_arg;
/* Check if we were booted by the EFI firmware */
@@ -950,8 +955,6 @@ fail:
void efi_handover_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg,
struct boot_params *boot_params)
{
- extern char _bss[], _ebss[];
-
memset(_bss, 0, _ebss - _bss);
efi_stub_entry(handle, sys_table_arg, boot_params);
}