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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-11 12:53:21 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-11 12:53:21 -0700
commit2a383c63ff933a496f19d6559ab54ac14871b7f3 (patch)
treeb0f4a4fbc4d882c7fea7c6b8f69924284abff76d /kernel
parent8bd994815987dda0947bd9afd887b1410713d4f7 (diff)
parent2bd62a40f63bd628c43a2f3637b252d0967659b0 (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] Quicklist support for IA64 [IA64] fix Kprobes reentrancy [IA64] SN: validate smp_affinity mask on intr redirect [IA64] drivers/char/snsc_event.c:206: warning: unused variable `p' [IA64] mca.c:121: warning: 'cpe_poll_timer' defined but not used [IA64] Fix - Section mismatch: reference to .init.data:mvec_name [IA64] more warning cleanups [IA64] Wire up epoll_pwait and utimensat [IA64] Fix warnings resulting from type-checking in dev_dbg() [IA64] typo s/kenrel/kernel/
Diffstat (limited to 'kernel')
-rw-r--r--kernel/irq/proc.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index ddde0ef9ccd..b4f1674fca7 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -27,6 +27,10 @@ static int irq_affinity_read_proc(char *page, char **start, off_t off,
return len;
}
+#ifndef is_affinity_mask_valid
+#define is_affinity_mask_valid(val) 1
+#endif
+
int no_irq_affinity;
static int irq_affinity_write_proc(struct file *file, const char __user *buffer,
unsigned long count, void *data)
@@ -42,6 +46,9 @@ static int irq_affinity_write_proc(struct file *file, const char __user *buffer,
if (err)
return err;
+ if (!is_affinity_mask_valid(new_value))
+ return -EINVAL;
+
/*
* Do not allow disabling IRQs completely - it's a too easy
* way to make the system unusable accidentally :-) At least