Hello,
this is a proposal fix needed to receive an error when the user requests
'fcntl(fd, F_SETFL, FASYNC)' but lower levels are too poor to handle this.
Dmitry
--- .orig-2.6.20-rc4/fs/fcntl.c 2007-01-12 08:27:10.000000000 +0300
+++ 2.6.20-rc4/fs/fcntl.c 2007-01-12 09:56:14.000000000 +0300
@@ -236,11 +236,11 @@
lock_kernel();
if ((arg ^ filp->f_flags) & FASYNC) {
- if (filp->f_op && filp->f_op->fasync) {
+ error = -EINVAL;
+ if (filp->f_op && filp->f_op->fasync)
error = filp->f_op->fasync(fd, filp, (arg & FASYNC) != 0);
- if (error < 0)
- goto out;
- }
+ if (error < 0)
+ goto out;
}
filp->f_flags = (arg & SETFL_MASK) | (filp->f_flags & ~SETFL_MASK);
-
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