diff options
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/kern_jail.c | 7 | ||||
| -rw-r--r-- | sys/kern/sys_generic.c | 13 | ||||
| -rw-r--r-- | sys/kern/vfs_bio.c | 2 |
3 files changed, 20 insertions, 2 deletions
diff --git a/sys/kern/kern_jail.c b/sys/kern/kern_jail.c index 523b7e314a10..26a994ef0c32 100644 --- a/sys/kern/kern_jail.c +++ b/sys/kern/kern_jail.c @@ -1065,8 +1065,10 @@ kern_jail_set(struct thread *td, struct uio *optuio, int flags) * than duplicate it under a different name. */ error = vfs_buildopts(optuio, &opts); - if (error) + if (error) { + opts = NULL; goto done_free; + } cuflags = flags & (JAIL_CREATE | JAIL_UPDATE); if (!cuflags) { @@ -2331,7 +2333,8 @@ kern_jail_set(struct thread *td, struct uio *optuio, int flags) (void)kern_close(td, jfd_out); if (g_path != NULL) free(g_path, M_TEMP); - vfs_freeopts(opts); + if (opts != NULL) + vfs_freeopts(opts); prison_free(mypr); return (error); } diff --git a/sys/kern/sys_generic.c b/sys/kern/sys_generic.c index a61341df436c..b84f675d1dcb 100644 --- a/sys/kern/sys_generic.c +++ b/sys/kern/sys_generic.c @@ -2364,3 +2364,16 @@ exterr_clear(struct kexterr *ke) { memset(ke, 0, sizeof(*ke)); } + +#include "opt_ddb.h" +#ifdef DDB +#include <ddb/ddb.h> + +void +exterr_db_print(struct kexterr *ke) +{ + db_printf("errno %d cat %d msg %s p1 %#jx p2 %#jx line %d\n", + ke->error, ke->cat, ke->msg == NULL ? "<none>" : ke->msg, + (uintmax_t)ke->p1, (uintmax_t)ke->p2, ke->src_line); +} +#endif diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index 22b7fe8d059a..880cc6b99951 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -5529,6 +5529,8 @@ DB_SHOW_COMMAND(buffer, db_show_buffer) db_printf("\n"); } BUF_LOCKPRINTINFO(bp); + if ((bp->b_ioflags & BIO_EXTERR) != 0) + exterr_db_print(&bp->b_exterr); #if defined(FULL_BUF_TRACKING) db_printf("b_io_tracking: b_io_tcnt = %u\n", bp->b_io_tcnt); |