Date: Tue, 30 May 2017 22:33:24 +0000 (UTC) From: Alan Somers <asomers@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r319258 - in stable/10/sbin/geom: class/part misc Message-ID: <201705302233.v4UMXO7I071480@repo.freebsd.org>
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Author: asomers Date: Tue May 30 22:33:24 2017 New Revision: 319258 URL: https://svnweb.freebsd.org/changeset/base/319258 Log: MFC r316535: Fix memory leak in "gpart bootcode" Also, annotate that gpart_issue never returns Reported by: Coverity CID: 1007105 Sponsored by: Spectra Logic Corp Modified: stable/10/sbin/geom/class/part/geom_part.c stable/10/sbin/geom/misc/subr.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sbin/geom/class/part/geom_part.c ============================================================================== --- stable/10/sbin/geom/class/part/geom_part.c Tue May 30 22:02:55 2017 (r319257) +++ stable/10/sbin/geom/class/part/geom_part.c Tue May 30 22:33:24 2017 (r319258) @@ -81,7 +81,7 @@ static int gpart_autofill(struct gctl_req *); static int gpart_autofill_resize(struct gctl_req *); static void gpart_bootcode(struct gctl_req *, unsigned int); static void *gpart_bootfile_read(const char *, ssize_t *); -static void gpart_issue(struct gctl_req *, unsigned int); +static _Noreturn void gpart_issue(struct gctl_req *, unsigned int); static void gpart_show(struct gctl_req *, unsigned int); static void gpart_show_geom(struct ggeom *, const char *, int); static int gpart_show_hasopt(struct gctl_req *, const char *, const char *); @@ -1259,6 +1259,7 @@ gpart_bootcode(struct gctl_req *req, unsigned int fl) gpart_issue(req, fl); geom_deletetree(&mesh); + free(partcode); } static void @@ -1279,7 +1280,7 @@ gpart_print_error(const char *errstr) warnx("%s", errmsg); } -static void +static _Noreturn void gpart_issue(struct gctl_req *req, unsigned int fl __unused) { char buf[4096]; Modified: stable/10/sbin/geom/misc/subr.c ============================================================================== --- stable/10/sbin/geom/misc/subr.c Tue May 30 22:02:55 2017 (r319257) +++ stable/10/sbin/geom/misc/subr.c Tue May 30 22:33:24 2017 (r319258) @@ -336,7 +336,7 @@ g_metadata_clear(const char *name, const char *magic) goto out; } sectorsize = g_sectorsize(fd); - if (sectorsize == 0) { + if (sectorsize <= 0) { error = errno; goto out; } @@ -365,8 +365,7 @@ g_metadata_clear(const char *name, const char *magic) } (void)g_flush(fd); out: - if (sector != NULL) - free(sector); + free(sector); g_close(fd); return (error); }
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