| Message ID | 20240816173338.151113-2-thorsten.blum@toblux.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2] ksmbd: Replace one-element arrays with flexible-array members | expand |
On 16/08/24 11:33, Thorsten Blum wrote: > Replace the deprecated one-element arrays with flexible-array members > in the structs filesystem_attribute_info and filesystem_device_info. > > There are no binary differences after this conversion. > > Link: https://github.com/KSPP/linux/issues/79 > Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com> Looks good. Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Thanks -Gustavo > --- > Changes in v2: > - Take struct size changes into account and do not subtract 2 additional > bytes after feedback from Gustavo A. R. Silva > - Compare the binaries before and after the conversion and add a note > that there are no differences > - Link to v1: https://lore.kernel.org/linux-kernel/20240816135823.87543-1-thorsten.blum@toblux.com/ > --- > fs/smb/server/smb2pdu.c | 4 ++-- > fs/smb/server/smb_common.h | 4 ++-- > 2 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c > index 2df1354288e6..1ce747b4636b 100644 > --- a/fs/smb/server/smb2pdu.c > +++ b/fs/smb/server/smb2pdu.c > @@ -5357,7 +5357,7 @@ static int smb2_get_info_filesystem(struct ksmbd_work *work, > "NTFS", PATH_MAX, conn->local_nls, 0); > len = len * 2; > info->FileSystemNameLen = cpu_to_le32(len); > - sz = sizeof(struct filesystem_attribute_info) - 2 + len; > + sz = sizeof(struct filesystem_attribute_info) + len; > rsp->OutputBufferLength = cpu_to_le32(sz); > break; > } > @@ -5383,7 +5383,7 @@ static int smb2_get_info_filesystem(struct ksmbd_work *work, > len = len * 2; > info->VolumeLabelSize = cpu_to_le32(len); > info->Reserved = 0; > - sz = sizeof(struct filesystem_vol_info) - 2 + len; > + sz = sizeof(struct filesystem_vol_info) + len; > rsp->OutputBufferLength = cpu_to_le32(sz); > break; > } > diff --git a/fs/smb/server/smb_common.h b/fs/smb/server/smb_common.h > index 4a3148b0167f..cc1d6dfe29d5 100644 > --- a/fs/smb/server/smb_common.h > +++ b/fs/smb/server/smb_common.h > @@ -213,7 +213,7 @@ struct filesystem_attribute_info { > __le32 Attributes; > __le32 MaxPathNameComponentLength; > __le32 FileSystemNameLen; > - __le16 FileSystemName[1]; /* do not have to save this - get subset? */ > + __le16 FileSystemName[]; /* do not have to save this - get subset? */ > } __packed; > > struct filesystem_device_info { > @@ -226,7 +226,7 @@ struct filesystem_vol_info { > __le32 SerialNumber; > __le32 VolumeLabelSize; > __le16 Reserved; > - __le16 VolumeLabel[1]; > + __le16 VolumeLabel[]; > } __packed; > > struct filesystem_info {
> > Replace the deprecated one-element arrays with flexible-array members > in the structs filesystem_attribute_info and filesystem_device_info. > > There are no binary differences after this conversion. > > Link: https://github.com/KSPP/linux/issues/79 > Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com> Applied it to #ksmbd-for-next-next. Thanks!
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index 2df1354288e6..1ce747b4636b 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -5357,7 +5357,7 @@ static int smb2_get_info_filesystem(struct ksmbd_work *work, "NTFS", PATH_MAX, conn->local_nls, 0); len = len * 2; info->FileSystemNameLen = cpu_to_le32(len); - sz = sizeof(struct filesystem_attribute_info) - 2 + len; + sz = sizeof(struct filesystem_attribute_info) + len; rsp->OutputBufferLength = cpu_to_le32(sz); break; } @@ -5383,7 +5383,7 @@ static int smb2_get_info_filesystem(struct ksmbd_work *work, len = len * 2; info->VolumeLabelSize = cpu_to_le32(len); info->Reserved = 0; - sz = sizeof(struct filesystem_vol_info) - 2 + len; + sz = sizeof(struct filesystem_vol_info) + len; rsp->OutputBufferLength = cpu_to_le32(sz); break; } diff --git a/fs/smb/server/smb_common.h b/fs/smb/server/smb_common.h index 4a3148b0167f..cc1d6dfe29d5 100644 --- a/fs/smb/server/smb_common.h +++ b/fs/smb/server/smb_common.h @@ -213,7 +213,7 @@ struct filesystem_attribute_info { __le32 Attributes; __le32 MaxPathNameComponentLength; __le32 FileSystemNameLen; - __le16 FileSystemName[1]; /* do not have to save this - get subset? */ + __le16 FileSystemName[]; /* do not have to save this - get subset? */ } __packed; struct filesystem_device_info { @@ -226,7 +226,7 @@ struct filesystem_vol_info { __le32 SerialNumber; __le32 VolumeLabelSize; __le16 Reserved; - __le16 VolumeLabel[1]; + __le16 VolumeLabel[]; } __packed; struct filesystem_info {
Replace the deprecated one-element arrays with flexible-array members in the structs filesystem_attribute_info and filesystem_device_info. There are no binary differences after this conversion. Link: https://github.com/KSPP/linux/issues/79 Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com> --- Changes in v2: - Take struct size changes into account and do not subtract 2 additional bytes after feedback from Gustavo A. R. Silva - Compare the binaries before and after the conversion and add a note that there are no differences - Link to v1: https://lore.kernel.org/linux-kernel/20240816135823.87543-1-thorsten.blum@toblux.com/ --- fs/smb/server/smb2pdu.c | 4 ++-- fs/smb/server/smb_common.h | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-)