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authorLinus Torvalds <torvalds@linux-foundation.org>2021-09-03 15:21:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-09-03 15:21:54 -0700
commit4e71add02821bdd204dd29c35e66baecc9b6a235 (patch)
tree0e3d74b02498208820ac09e17f66af2cca2f1d32
parent7cca308cfdc0725363ac5943dca9dcd49cc1d2d5 (diff)
parent8b7084b848cd9d7071ed9e253e1c600a25f72ddd (diff)
Merge branch 'stable/for-linus-5.15-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft
Pull ibft fix from Konrad Rzeszutek Wilk: "An arm64 compile fix for the new code that fixed the iBFT KASLR handling. I missed the original 0-day build email report" * 'stable/for-linus-5.15-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft: iscsi_ibft: Fix isa_bus_to_virt not working under ARM
-rw-r--r--drivers/firmware/iscsi_ibft.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c
index 612a59e213df..6e9788324fea 100644
--- a/drivers/firmware/iscsi_ibft.c
+++ b/drivers/firmware/iscsi_ibft.c
@@ -86,10 +86,6 @@ MODULE_VERSION(IBFT_ISCSI_VERSION);
static struct acpi_table_ibft *ibft_addr;
-#ifndef CONFIG_ISCSI_IBFT_FIND
-phys_addr_t ibft_phys_addr;
-#endif
-
struct ibft_hdr {
u8 id;
u8 version;
@@ -851,7 +847,21 @@ static void __init acpi_find_ibft_region(void)
{
}
#endif
-
+#ifdef CONFIG_ISCSI_IBFT_FIND
+static int __init acpi_find_isa_region(void)
+{
+ if (ibft_phys_addr) {
+ ibft_addr = isa_bus_to_virt(ibft_phys_addr);
+ return 0;
+ }
+ return -ENODEV;
+}
+#else
+static int __init acpi_find_isa_region(void)
+{
+ return -ENODEV;
+}
+#endif
/*
* ibft_init() - creates sysfs tree entries for the iBFT data.
*/
@@ -864,9 +874,7 @@ static int __init ibft_init(void)
is called before ACPI tables are parsed and it only does
legacy finding.
*/
- if (ibft_phys_addr)
- ibft_addr = isa_bus_to_virt(ibft_phys_addr);
- else
+ if (acpi_find_isa_region())
acpi_find_ibft_region();
if (ibft_addr) {