__btrfs_std_error didn't always properly call va_end,
and might call va_start even if fmt was NULL.
Move all the varargs handling into the block where we
have fmt.
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---
fs/btrfs/super.c | 14 +++++++-------
1 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 1dd2d86..fe3c799 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -141,8 +141,6 @@ void __btrfs_std_error(struct btrfs_fs_info *fs_info, const char *function,
struct super_block *sb = fs_info->sb;
char nbuf[16];
const char *errstr;
- va_list args;
- va_start(args, fmt);
/*
* Special case: if the error is EROFS, and we're already
@@ -153,13 +151,16 @@ void __btrfs_std_error(struct btrfs_fs_info *fs_info, const char *function,
errstr = btrfs_decode_error(errno, nbuf);
if (fmt) {
- struct va_format vaf = {
- .fmt = fmt,
- .va = &args,
- };
+ struct va_format vaf;
+ va_list args;
+
+ va_start(args, fmt);
+ vaf.fmt = fmt;
+ vaf.va = &args;
printk(KERN_CRIT "BTRFS error (device %s) in %s:%d: %s (%pV)\n",
sb->s_id, function, line, errstr, &vaf);
+ va_end(args);
} else {
printk(KERN_CRIT "BTRFS error (device %s) in %s:%d: %s\n",
sb->s_id, function, line, errstr);
@@ -170,7 +171,6 @@ void __btrfs_std_error(struct btrfs_fs_info *fs_info, const char *function,
save_error_info(fs_info);
btrfs_handle_error(fs_info);
}
- va_end(args);
}
static const char * const logtypes[] = {
--
1.7.1
--
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