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-rw-r--r--kernel/acct.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/acct.c b/kernel/acct.c
index 85389fe2abd..8d6e145138b 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -540,10 +540,15 @@ static void do_acct_process(struct bsd_acct_struct *acct,
ac.ac_swaps = encode_comp_t(0);
/*
+ * Get freeze protection. If the fs is frozen, just skip the write
+ * as we could deadlock the system otherwise.
+ */
+ if (!file_start_write_trylock(file))
+ goto out;
+ /*
* Kernel segment override to datasegment and write it
* to the accounting file.
*/
- file_start_write(file);
fs = get_fs();
set_fs(KERNEL_DS);
/*