The only user of send_sigio_to_task() already holds tasklist_lock,
so it is better not to send the signal via send_group_sig_info()
(which takes tasklist recursively) but use group_send_sig_info().
The same change in send_sigurg()->send_sigurg_to_task().
Signed-off-by: Oleg Nesterov <[email protected]>
--- 2.6.15-rc2/fs/fcntl.c~ 2005-09-17 18:57:28.000000000 +0400
+++ 2.6.15-rc2/fs/fcntl.c 2005-11-27 23:38:54.000000000 +0300
@@ -457,11 +457,11 @@ static void send_sigio_to_task(struct ta
else
si.si_band = band_table[reason - POLL_IN];
si.si_fd = fd;
- if (!send_group_sig_info(fown->signum, &si, p))
+ if (!group_send_sig_info(fown->signum, &si, p))
break;
/* fall-through: fall back on the old plain SIGIO signal */
case 0:
- send_group_sig_info(SIGIO, SEND_SIG_PRIV, p);
+ group_send_sig_info(SIGIO, SEND_SIG_PRIV, p);
}
}
@@ -495,7 +495,7 @@ static void send_sigurg_to_task(struct t
struct fown_struct *fown)
{
if (sigio_perm(p, fown, SIGURG))
- send_group_sig_info(SIGURG, SEND_SIG_PRIV, p);
+ group_send_sig_info(SIGURG, SEND_SIG_PRIV, p);
}
int send_sigurg(struct fown_struct *fown)
-
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