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| author | Jason Gunthorpe <jgg@nvidia.com> | 2024-11-12 13:47:28 -0400 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2024-11-12 13:47:28 -0400 |
| commit | 4e6bd13aa33c78346973f01c7303b4909d79ec86 (patch) | |
| tree | 6205937f65a4d859dcecaf48da8801a1e4103ce7 /drivers/net/netconsole.c | |
| parent | b047c0644f4e0aafd202e9519a22e17651fbee70 (diff) | |
| parent | f6681abd413919472d8a142420b639a3a8d84673 (diff) | |
Merge branch 'iommufd/arm-smmuv3-nested' of iommu/linux into iommufd for-next
Common SMMUv3 patches for the following patches adding nesting, shared
branch with the iommu tree.
* 'iommufd/arm-smmuv3-nested' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/iommu/linux:
iommu/arm-smmu-v3: Expose the arm_smmu_attach interface
iommu/arm-smmu-v3: Implement IOMMU_HWPT_ALLOC_NEST_PARENT
iommu/arm-smmu-v3: Support IOMMU_GET_HW_INFO via struct arm_smmu_hw_info
iommu/arm-smmu-v3: Report IOMMU_CAP_ENFORCE_CACHE_COHERENCY for CANWBS
ACPI/IORT: Support CANWBS memory access flag
ACPICA: IORT: Update for revision E.f
vfio: Remove VFIO_TYPE1_NESTING_IOMMU
...
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/net/netconsole.c')
| -rw-r--r-- | drivers/net/netconsole.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index 01cf33fa7503..de20928f7402 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -1161,8 +1161,14 @@ static void send_ext_msg_udp(struct netconsole_target *nt, const char *msg, this_chunk = min(userdata_len - sent_userdata, MAX_PRINT_CHUNK - preceding_bytes); - if (WARN_ON_ONCE(this_chunk <= 0)) + if (WARN_ON_ONCE(this_chunk < 0)) + /* this_chunk could be zero if all the previous + * message used all the buffer. This is not a + * problem, userdata will be sent in the next + * iteration + */ return; + memcpy(buf + this_header + this_offset, userdata + sent_userdata, this_chunk); |