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>
This commit is contained in:
parent
0e27aa3dab
commit
60c1645dfa
1 changed files with 4 additions and 3 deletions
|
@ -181,7 +181,8 @@ static int uvesafb_exec(struct uvesafb_ktask *task)
|
||||||
/* If all slots are taken -- bail out. */
|
/* If all slots are taken -- bail out. */
|
||||||
if (uvfb_tasks[seq]) {
|
if (uvfb_tasks[seq]) {
|
||||||
mutex_unlock(&uvfb_lock);
|
mutex_unlock(&uvfb_lock);
|
||||||
return -EBUSY;
|
err = -EBUSY;
|
||||||
|
goto out;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Save a pointer to the kernel part of the task struct. */
|
/* Save a pointer to the kernel part of the task struct. */
|
||||||
|
@ -205,7 +206,6 @@ static int uvesafb_exec(struct uvesafb_ktask *task)
|
||||||
err = cn_netlink_send(m, 0, gfp_any());
|
err = cn_netlink_send(m, 0, gfp_any());
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
kfree(m);
|
|
||||||
|
|
||||||
if (!err && !(task->t.flags & TF_EXIT))
|
if (!err && !(task->t.flags & TF_EXIT))
|
||||||
err = !wait_for_completion_timeout(task->done,
|
err = !wait_for_completion_timeout(task->done,
|
||||||
|
@ -218,7 +218,8 @@ static int uvesafb_exec(struct uvesafb_ktask *task)
|
||||||
seq++;
|
seq++;
|
||||||
if (seq >= UVESAFB_TASKS_MAX)
|
if (seq >= UVESAFB_TASKS_MAX)
|
||||||
seq = 0;
|
seq = 0;
|
||||||
|
out:
|
||||||
|
kfree(m);
|
||||||
return err;
|
return err;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
Loading…
Add table
Reference in a new issue