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coda_ioctl_permission() is safe in RCU mode 

return (mask & MAY_EXEC) ? -EACCES : 0; is non-blocking...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-06-18 20:11:43 -04:00
parent ec12781f19
commit 6b419951f1
1 changed files with 0 additions and 2 deletions
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2
fs/coda/pioctl.c
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@ -43,8 +43,6 @@ const struct file_operations coda_ioctl_operations = {
/* the coda pioctl inode ops */ /* the coda pioctl inode ops */
static int coda_ioctl_permission(struct inode *inode, int mask, unsigned int flags) static int coda_ioctl_permission(struct inode *inode, int mask, unsigned int flags)
{ {
if (flags & IPERM_FLAG_RCU)
return -ECHILD;
return (mask & MAY_EXEC) ? -EACCES : 0; return (mask & MAY_EXEC) ? -EACCES : 0;
} }