The patch titled
seq_file-properly-cope-with-pread-fix
has been added to the -mm tree. Its filename is
seq_file-properly-cope-with-pread-fix.patch
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Subject: seq_file-properly-cope-with-pread-fix
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Restore FMODE_PWRITE.
Cc: <stable@xxxxxxxxxx> [2.6.25.x, 2.6.26.x, 2.6.27.x, 2.6.28.x]
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Eric Biederman <ebiederm@xxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Paul Turner <pjt@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/seq_file.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff -puN fs/seq_file.c~seq_file-properly-cope-with-pread-fix fs/seq_file.c
--- a/fs/seq_file.c~seq_file-properly-cope-with-pread-fix
+++ a/fs/seq_file.c
@@ -48,6 +48,16 @@ int seq_open(struct file *file, const st
*/
file->f_version = 0;
+ /*
+ * seq_files support lseek() and pread(). They do not implement
+ * write() at all, but we clear FMODE_PWRITE here for historical
+ * reasons.
+ *
+ * If a client of seq_files a) implements file.write() and b) wishes to
+ * support pwrite() then that client will need to implement its own
+ * file.open() which calls seq_open() and then sets FMODE_PWRITE.
+ */
+ file->f_mode &= ~FMODE_PWRITE;
return 0;
}
EXPORT_SYMBOL(seq_open);
_
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origin.patch
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revert-rlimit-permit-setting-rlimit_nofile-to-rlim_infinity.patch
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sxc-fix-missed-unlock_kernel-on-error-path-in-sx_fw_ioctl.patch
vfs-separate-fmode_pread-fmode_pwrite-into-separate-flags-fix.patch
seq_file-properly-cope-with-pread-fix.patch
i-need-old-gcc.patch
i2c-too-much-compiler-noise.patch
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fix-sparseirq-use-kstat_irqs_cpu-on-non-x86-architectures-too.patch
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