X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fchar%2Fapm-emulation.c;h=033e1505fca9fe3ea2fee9b2b064578ad45637f4;hp=4f568cb9af3f90b62c52de1af32170ee4650d29d;hb=3975d16760d4be7402d1067c548c30c427971331;hpb=4d2a914239eee6fcddd12a7c9c32e135dde8f3f1 diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c index 4f568cb9af3f..033e1505fca9 100644 --- a/drivers/char/apm-emulation.c +++ b/drivers/char/apm-emulation.c @@ -265,8 +265,8 @@ static unsigned int apm_poll(struct file *fp, poll_table * wait) * Only when everyone who has opened /dev/apm_bios with write permission * has acknowledge does the actual suspend happen. */ -static int -apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg) +static long +apm_ioctl(struct file *filp, u_int cmd, u_long arg) { struct apm_user *as = filp->private_data; int err = -EINVAL; @@ -274,6 +274,7 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg) if (!as->suser || !as->writer) return -EPERM; + lock_kernel(); switch (cmd) { case APM_IOC_SUSPEND: mutex_lock(&state_lock); @@ -334,6 +335,7 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg) mutex_unlock(&state_lock); break; } + unlock_kernel(); return err; } @@ -397,7 +399,7 @@ static const struct file_operations apm_bios_fops = { .owner = THIS_MODULE, .read = apm_read, .poll = apm_poll, - .ioctl = apm_ioctl, + .unlocked_ioctl = apm_ioctl, .open = apm_open, .release = apm_release, };