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ptp: Fix resource leak in case of error

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A call to 'ida_simple_remove()' is missing in the error handling path.

This as been spotted with the following coccinelle script which tries to
detect missing 'ida_simple_remove()' call in error handling paths.

///////////////
@@
expression x;
identifier l;
@@

*   x = ida_simple_get(...);
    ...
    if (...) {
    ...
    }
    ...
    if (...) {
       ...
       goto l;
    }
    ...
*   l: ... when != ida_simple_remove(...);

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christophe Jaillet 2016-10-02 09:04:16 +02:00 committed by David S. Miller
parent 0fd7d43fbc
commit b9118b7221
1 changed files with 1 additions and 0 deletions
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1
drivers/ptp/ptp_clock.c
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@ -263,6 +263,7 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
no_device:
mutex_destroy(&ptp->tsevq_mux);
mutex_destroy(&ptp->pincfg_mux);
ida_simple_remove(&ptp_clocks_map, index);
no_slot:
kfree(ptp);
no_memory: