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| author | Greg Kroah-Hartman | 2017-01-16 16:57:54 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2017-01-16 16:57:54 +0100 |
| commit | 11cca3d12f03c670a6dd14004d40580918898760 (patch) | |
| tree | 495a745eaf5c44d08f8b1fb01b61733dc0e78c70 /fs/coredump.c | |
| parent | serial: 8250: Add new port type for TI DA8xx/66AK2x (diff) | |
| parent | Linux 4.10-rc4 (diff) | |
| download | kernel-qcow2-linux-11cca3d12f03c670a6dd14004d40580918898760.tar.gz kernel-qcow2-linux-11cca3d12f03c670a6dd14004d40580918898760.tar.xz kernel-qcow2-linux-11cca3d12f03c670a6dd14004d40580918898760.zip | |
Merge 4.10-rc4 into tty-next
We want the serial/tty fixes in here as well to build on top of.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/coredump.c')
| -rw-r--r-- | fs/coredump.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/coredump.c b/fs/coredump.c index e525b6017cdf..ae6b05629ca1 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -833,3 +833,21 @@ int dump_align(struct coredump_params *cprm, int align) return mod ? dump_skip(cprm, align - mod) : 1; } EXPORT_SYMBOL(dump_align); + +/* + * Ensures that file size is big enough to contain the current file + * postion. This prevents gdb from complaining about a truncated file + * if the last "write" to the file was dump_skip. + */ +void dump_truncate(struct coredump_params *cprm) +{ + struct file *file = cprm->file; + loff_t offset; + + if (file->f_op->llseek && file->f_op->llseek != no_llseek) { + offset = file->f_op->llseek(file, 0, SEEK_CUR); + if (i_size_read(file->f_mapping->host) < offset) + do_truncate(file->f_path.dentry, offset, 0, file); + } +} +EXPORT_SYMBOL(dump_truncate); |