drivers/video/uvesafb.c: fix error-path memory leak
Fix bug identified by Daniel Marjamki: `m' is leaked on the error path. Addresses http://bugzilla.kernel.org/show_bug.cgi?id=10452 Cc: Daniel Marjamki <danielm77@spray.se> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -181,7 +181,8 @@ static int uvesafb_exec(struct uvesafb_ktask *task)
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/* If all slots are taken -- bail out. */
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if (uvfb_tasks[seq]) {
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mutex_unlock(&uvfb_lock);
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return -EBUSY;
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err = -EBUSY;
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goto out;
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}
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/* Save a pointer to the kernel part of the task struct. */
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@ -205,7 +206,6 @@ static int uvesafb_exec(struct uvesafb_ktask *task)
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err = cn_netlink_send(m, 0, gfp_any());
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}
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}
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kfree(m);
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if (!err && !(task->t.flags & TF_EXIT))
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err = !wait_for_completion_timeout(task->done,
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@ -218,7 +218,8 @@ static int uvesafb_exec(struct uvesafb_ktask *task)
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seq++;
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if (seq >= UVESAFB_TASKS_MAX)
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seq = 0;
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out:
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kfree(m);
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return err;
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}
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