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Sat, 31 May 2025 19:52:52 GMT (envelope-from git) Date: Sat, 31 May 2025 19:52:52 GMT Message-Id: <202505311952.54VJqqpC029729@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Konstantin Belousov Subject: git: d995dc937a3c - main - vm/vm_mmap.c: add two examples of using exterrors List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: d995dc937a3c999daa8e0675d1ec45f9ab422cb5 Auto-Submitted: auto-generated The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=d995dc937a3c999daa8e0675d1ec45f9ab422cb5 commit d995dc937a3c999daa8e0675d1ec45f9ab422cb5 Author: Konstantin Belousov AuthorDate: 2025-05-23 05:36:13 +0000 Commit: Konstantin Belousov CommitDate: 2025-05-31 19:52:41 +0000 vm/vm_mmap.c: add two examples of using exterrors Reviewed by: brooks Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D50483 --- sys/vm/vm_mmap.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/sys/vm/vm_mmap.c b/sys/vm/vm_mmap.c index afc25965d73c..492233215d4b 100644 --- a/sys/vm/vm_mmap.c +++ b/sys/vm/vm_mmap.c @@ -40,13 +40,14 @@ * Mapped file (mmap) interface to VM */ -#include #include "opt_hwpmc_hooks.h" #include "opt_vm.h" +#define EXTERR_CATEGORY EXTERR_CAT_MMAP #include #include #include +#include #include #include #include @@ -190,12 +191,16 @@ kern_mmap(struct thread *td, const struct mmap_req *mrp) pos = mrp->mr_pos; check_fp_fn = mrp->mr_check_fp_fn; - if ((prot & ~(_PROT_ALL | PROT_MAX(_PROT_ALL))) != 0) + if ((prot & ~(_PROT_ALL | PROT_MAX(_PROT_ALL))) != 0) { + SET_ERROR0(EINVAL, "unknown PROT bits"); return (EINVAL); + } max_prot = PROT_MAX_EXTRACT(prot); prot = PROT_EXTRACT(prot); - if (max_prot != 0 && (max_prot & prot) != prot) + if (max_prot != 0 && (max_prot & prot) != prot) { + SET_ERROR0(ENOTSUP, "prot is not subset of max_prot"); return (ENOTSUP); + } p = td->td_proc;