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authorDominik Brodowski <linux@dominikbrodowski.net>2010-01-16 03:14:38 +0300
committerDominik Brodowski <linux@dominikbrodowski.net>2010-02-17 19:48:17 +0300
commit64d8d46f5f501a19aec4db7ff93faf1b831d05ed (patch)
treeeae12e7cfea8259449eb14da6e449938773ac1fe /drivers/pcmcia/socket_sysfs.c
parent9e86749cff70fca505c7c1a9dc760d193f27a059 (diff)
downloadlinux-64d8d46f5f501a19aec4db7ff93faf1b831d05ed.tar.xz
pcmcia: properly lock skt->irq, skt->irq_mask
Tested-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers/pcmcia/socket_sysfs.c')
-rw-r--r--drivers/pcmcia/socket_sysfs.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c
index 537d79305e7a..1cba9d38d813 100644
--- a/drivers/pcmcia/socket_sysfs.c
+++ b/drivers/pcmcia/socket_sysfs.c
@@ -167,7 +167,9 @@ static ssize_t pccard_store_irq_mask(struct device *dev,
ret = sscanf(buf, "0x%x\n", &mask);
if (ret == 1) {
+ mutex_lock(&s->ops_mutex);
s->irq_mask &= mask;
+ mutex_unlock(&s->ops_mutex);
ret = 0;
}