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Subject[PATCH] tty: tty_io.c shadows sparse fix
Date
Fix the problem reported by sparse:

drivers/char/tty_io.c:1413:17: warning: symbol 'buf' shadows an earlier one
drivers/char/tty_io.c:1379:20: originally declared here

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
drivers/char/tty_io.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index daeb8f7..a155002 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1410,19 +1410,19 @@ static inline ssize_t do_tty_write(

/* write_buf/write_cnt is protected by the atomic_write_lock mutex */
if (tty->write_cnt < chunk) {
- unsigned char *buf;
+ unsigned char *buf_chunk;

if (chunk < 1024)
chunk = 1024;

- buf = kmalloc(chunk, GFP_KERNEL);
- if (!buf) {
+ buf_chunk = kmalloc(chunk, GFP_KERNEL);
+ if (!buf_chunk) {
ret = -ENOMEM;
goto out;
}
kfree(tty->write_buf);
tty->write_cnt = chunk;
- tty->write_buf = buf;
+ tty->write_buf = buf_chunk;
}

/* Do the write .. */
--
1.6.0.90.g436ed.dirty


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