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-rw-r--r--sys/kern/kern_shutdown.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/sys/kern/kern_shutdown.c b/sys/kern/kern_shutdown.c
index 61efa8d..d493599 100644
--- a/sys/kern/kern_shutdown.c
+++ b/sys/kern/kern_shutdown.c
@@ -485,10 +485,6 @@ dumpsys(void)
int error;
savectx(&dumppcb);
- if (dumping++) {
- printf("Dump already in progress, bailing...\n");
- return;
- }
if (!dodump)
return;
if (dumpdev == NODEV)
@@ -497,10 +493,16 @@ dumpsys(void)
return;
if (!(devsw(dumpdev)->d_dump))
return;
+ if (dumping++) {
+ dumping--;
+ printf("Dump already in progress, bailing...\n");
+ return;
+ }
dumpsize = Maxmem;
printf("\ndumping to dev %s, offset %ld\n", devtoname(dumpdev), dumplo);
printf("dump ");
error = (*devsw(dumpdev)->d_dump)(dumpdev);
+ dumping--;
if (error == 0) {
printf("succeeded\n");
return;
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