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authorPaolo Abeni <pabeni@redhat.com>2025-03-13 23:01:29 +0100
committerPaolo Abeni <pabeni@redhat.com>2025-03-13 23:08:11 +0100
commit941defcea7e11ad7ff8f0d4856716dd637d757dd (patch)
treeb189ce7b72cdded5713ba5b410e87c922ce1b4ee /mm/vma.c
parent89d75c4c67aca1573aff905e72131a10847c5fda (diff)
parent4003c9e78778e93188a09d6043a74f7154449d43 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.14-rc6). Conflicts: tools/testing/selftests/drivers/net/ping.py 75cc19c8ff89 ("selftests: drv-net: add xdp cases for ping.py") de94e8697405 ("selftests: drv-net: store addresses in dict indexed by ipver") https://lore.kernel.org/netdev/20250311115758.17a1d414@canb.auug.org.au/ net/core/devmem.c a70f891e0fa0 ("net: devmem: do not WARN conditionally after netdev_rx_queue_restart()") 1d22d3060b9b ("net: drop rtnl_lock for queue_mgmt operations") https://lore.kernel.org/netdev/20250313114929.43744df1@canb.auug.org.au/ Adjacent changes: tools/testing/selftests/net/Makefile 6f50175ccad4 ("selftests: Add IPv6 link-local address generation tests for GRE devices.") 2e5584e0f913 ("selftests/net: expand cmsg_ipv6.sh with ipv4") drivers/net/ethernet/broadcom/bnxt/bnxt.c 661958552eda ("eth: bnxt: do not use BNXT_VNIC_NTUPLE unconditionally in queue restart logic") fe96d717d38e ("bnxt_en: Extend queue stop/start for TX rings") Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'mm/vma.c')
-rw-r--r--mm/vma.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/mm/vma.c b/mm/vma.c
index af1d549b179c..96bcb372c90e 100644
--- a/mm/vma.c
+++ b/mm/vma.c
@@ -1509,24 +1509,28 @@ int do_vmi_munmap(struct vma_iterator *vmi, struct mm_struct *mm,
static struct vm_area_struct *vma_modify(struct vma_merge_struct *vmg)
{
struct vm_area_struct *vma = vmg->vma;
+ unsigned long start = vmg->start;
+ unsigned long end = vmg->end;
struct vm_area_struct *merged;
/* First, try to merge. */
merged = vma_merge_existing_range(vmg);
if (merged)
return merged;
+ if (vmg_nomem(vmg))
+ return ERR_PTR(-ENOMEM);
/* Split any preceding portion of the VMA. */
- if (vma->vm_start < vmg->start) {
- int err = split_vma(vmg->vmi, vma, vmg->start, 1);
+ if (vma->vm_start < start) {
+ int err = split_vma(vmg->vmi, vma, start, 1);
if (err)
return ERR_PTR(err);
}
/* Split any trailing portion of the VMA. */
- if (vma->vm_end > vmg->end) {
- int err = split_vma(vmg->vmi, vma, vmg->end, 0);
+ if (vma->vm_end > end) {
+ int err = split_vma(vmg->vmi, vma, end, 0);
if (err)
return ERR_PTR(err);