mirror of https://github.com/torvalds/linux.git
Destroy serial_minors IDR on module exit, reclaiming the allocated memory.
This was detected by the following semantic patch (written by Luis
Rodriguez <mcgrof@suse.com>)
<SmPL>
@ defines_module_init @
declarer name module_init, module_exit;
declarer name DEFINE_IDR;
identifier init;
@@
module_init(init);
@ defines_module_exit @
identifier exit;
@@
module_exit(exit);
@ declares_idr depends on defines_module_init && defines_module_exit @
identifier idr;
@@
DEFINE_IDR(idr);
@ on_exit_calls_destroy depends on declares_idr && defines_module_exit @
identifier declares_idr.idr, defines_module_exit.exit;
@@
exit(void)
{
...
idr_destroy(&idr);
...
}
@ missing_module_idr_destroy depends on declares_idr && defines_module_exit && !on_exit_calls_destroy @
identifier declares_idr.idr, defines_module_exit.exit;
@@
exit(void)
{
...
+idr_destroy(&idr);
}
</SmPL>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Cc: stable <stable@vger.kernel.org> # v3.11
Signed-off-by: Johan Hovold <johan@kernel.org>
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| .. | ||
| Kconfig | ||
| Makefile | ||
| Makefile-keyspan_pda_fw | ||
| aircable.c | ||
| ark3116.c | ||
| belkin_sa.c | ||
| belkin_sa.h | ||
| bus.c | ||
| ch341.c | ||
| console.c | ||
| cp210x.c | ||
| cyberjack.c | ||
| cypress_m8.c | ||
| cypress_m8.h | ||
| digi_acceleport.c | ||
| empeg.c | ||
| ezusb_convert.pl | ||
| f81232.c | ||
| ftdi_sio.c | ||
| ftdi_sio.h | ||
| ftdi_sio_ids.h | ||
| garmin_gps.c | ||
| generic.c | ||
| io_16654.h | ||
| io_edgeport.c | ||
| io_edgeport.h | ||
| io_ionsp.h | ||
| io_tables.h | ||
| io_ti.c | ||
| io_ti.h | ||
| io_usbvend.h | ||
| ipaq.c | ||
| ipw.c | ||
| ir-usb.c | ||
| iuu_phoenix.c | ||
| iuu_phoenix.h | ||
| keyspan.c | ||
| keyspan.h | ||
| keyspan_pda.c | ||
| keyspan_usa26msg.h | ||
| keyspan_usa28msg.h | ||
| keyspan_usa49msg.h | ||
| keyspan_usa67msg.h | ||
| keyspan_usa90msg.h | ||
| kl5kusb105.c | ||
| kl5kusb105.h | ||
| kobil_sct.c | ||
| kobil_sct.h | ||
| mct_u232.c | ||
| mct_u232.h | ||
| metro-usb.c | ||
| mos7720.c | ||
| mos7840.c | ||
| mxuport.c | ||
| navman.c | ||
| omninet.c | ||
| opticon.c | ||
| option.c | ||
| oti6858.c | ||
| oti6858.h | ||
| pl2303.c | ||
| pl2303.h | ||
| qcaux.c | ||
| qcserial.c | ||
| quatech2.c | ||
| safe_serial.c | ||
| sierra.c | ||
| spcp8x5.c | ||
| ssu100.c | ||
| symbolserial.c | ||
| ti_usb_3410_5052.c | ||
| ti_usb_3410_5052.h | ||
| usb-serial-simple.c | ||
| usb-serial.c | ||
| usb-wwan.h | ||
| usb_debug.c | ||
| usb_wwan.c | ||
| visor.c | ||
| visor.h | ||
| whiteheat.c | ||
| whiteheat.h | ||
| wishbone-serial.c | ||
| xsens_mt.c | ||