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-rw-r--r--fs/exec.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/fs/exec.c b/fs/exec.c
index bff43aeb235..5e559013e30 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1379,17 +1379,14 @@ EXPORT_SYMBOL(set_binfmt);
* name into corename, which must have space for at least
* CORENAME_MAX_SIZE bytes plus one byte for the zero terminator.
*/
-static int format_corename(char *corename, const char *pattern, long signr)
+static int format_corename(char *corename, int nr_threads, long signr)
{
- const char *pat_ptr = pattern;
+ const char *pat_ptr = core_pattern;
+ int ispipe = (*pat_ptr == '|');
char *out_ptr = corename;
char *const out_end = corename + CORENAME_MAX_SIZE;
int rc;
int pid_in_pattern = 0;
- int ispipe = 0;
-
- if (*pattern == '|')
- ispipe = 1;
/* Repeat as long as we have more pattern to process and more output
space */
@@ -1490,7 +1487,7 @@ static int format_corename(char *corename, const char *pattern, long signr)
* and core_uses_pid is set, then .%pid will be appended to
* the filename. Do not do this for piped commands. */
if (!ispipe && !pid_in_pattern
- && (core_uses_pid || atomic_read(&current->mm->mm_users) != 1)) {
+ && (core_uses_pid || nr_threads)) {
rc = snprintf(out_ptr, out_end - out_ptr,
".%d", task_tgid_vnr(current));
if (rc > out_end - out_ptr)
@@ -1753,7 +1750,7 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs)
* uses lock_kernel()
*/
lock_kernel();
- ispipe = format_corename(corename, core_pattern, signr);
+ ispipe = format_corename(corename, retval, signr);
unlock_kernel();
/*
* Don't bother to check the RLIMIT_CORE value if core_pattern points