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authorIngo Molnar <mingo@kernel.org>2021-12-13 10:48:46 +0100
committerIngo Molnar <mingo@kernel.org>2021-12-13 10:48:46 +0100
commit6773cc31a9bb5122fd5c288f73ca006ad20a6c17 (patch)
tree730ec8bcc0a5ddd5030268bb3ffd4945d34728c1 /arch/s390/kernel/crash_dump.c
parentfutex: Fix additional regressions (diff)
parentLinux 5.16-rc5 (diff)
downloadlinux-dev-6773cc31a9bb5122fd5c288f73ca006ad20a6c17.tar.xz
linux-dev-6773cc31a9bb5122fd5c288f73ca006ad20a6c17.zip
Merge tag 'v5.16-rc5' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/s390/kernel/crash_dump.c')
-rw-r--r--arch/s390/kernel/crash_dump.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index d72a6df058d7..785d54c9350c 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -191,8 +191,8 @@ static int copy_oldmem_user(void __user *dst, void *src, size_t count)
return rc;
} else {
/* Check for swapped kdump oldmem areas */
- if (oldmem_data.start && from - oldmem_data.size < oldmem_data.size) {
- from -= oldmem_data.size;
+ if (oldmem_data.start && from - oldmem_data.start < oldmem_data.size) {
+ from -= oldmem_data.start;
len = min(count, oldmem_data.size - from);
} else if (oldmem_data.start && from < oldmem_data.size) {
len = min(count, oldmem_data.size - from);