This comit fixes the following sparse warnign:
drivers/staging/dgnc/dgnc_tty.c:572:1:
warning: the frame size of 1060 bytes is larger than 1024 bytes
[-Wframe-larger-than=]
This was caused by having buffer as an automatic variable. This commit
moves it from the stack to the heap.
Signed-off-by: Konrad Zapalowicz <bergo.torino@xxxxxxxxx>
---
drivers/staging/dgnc/dgnc_tty.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index c712b43..2dc78f7 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -471,13 +471,18 @@ void dgnc_sniff_nowait_nolock(struct channel_t *ch, uchar *text, uchar *buf, int
int nbuf;
int i;
int tmpbuflen;
- char tmpbuf[TMPBUFLEN];
- char *p = tmpbuf;
+ char *tmpbuf;
+ char *p;
int too_much_data;
+ tmpbuf = kzalloc(TMPBUFLEN, GFP_KERNEL);
+ if (!tmpbuf)
+ return;
+ p = tmpbuf;
+
/* Leave if sniff not open */
if (!(ch->ch_sniff_flags & SNIFF_OPEN))
- return;
+ goto exit;
do_gettimeofday(&tv);
@@ -524,7 +529,7 @@ void dgnc_sniff_nowait_nolock(struct channel_t *ch, uchar *text, uchar *buf, int
* function was probably called by the interrupt/timer routines!
*/
if (n == 0)
- return;
+ goto exit;
/*
* Copy as much data as will fit.
@@ -569,6 +574,9 @@ void dgnc_sniff_nowait_nolock(struct channel_t *ch, uchar *text, uchar *buf, int
}
} while (too_much_data);
+
+exit:
+ kfree(tmpbuf);
}
--
1.8.1.2
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