On 2025/4/22 23:59, Jan Beulich wrote: > On 21.04.2025 08:18, Jiqian Chen wrote: >> Modify function pci_find_next_cap_ttl to support returning position >> of next capability when size "n" is zero. >> >> That can help caller to get next capability offset if caller just >> has a information of current capability offset. >> >> That will be used in a follow-on change. >> >> Signed-off-by: Jiqian Chen <jiqian.c...@amd.com> > > Acked-by: Jan Beulich <jbeul...@suse.com> Thank you.
> albeit ... > >> --- a/xen/drivers/pci/pci.c >> +++ b/xen/drivers/pci/pci.c >> @@ -55,6 +55,9 @@ unsigned int pci_find_next_cap_ttl(pci_sbdf_t sbdf, >> unsigned int pos, >> >> if ( id == 0xff ) >> break; >> + if ( n == 0 ) >> + return pos; >> + ASSERT(caps); >> for ( i = 0; i < n; i++ ) >> { >> if ( id == caps[i] ) > > ... blank lines around you insertion might have been nice. I may take the > liberty of adding them while committing. That's fine, please add. > > Jan -- Best regards, Jiqian Chen.