From: alexander.levin@verizon.com
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
alexander.levin@verizon.com
Subject: [PATCH AUTOSEL for 3.18 04/15] dynamic-debug-howto: fix optional/omitted ending line number to be LARGE instead of 0
Date: Sat, 2 Dec 2017 15:53:33 +0000 [thread overview]
Message-ID: <20171202155324.7846-4-alexander.levin@verizon.com> (raw)
In-Reply-To: <20171202155324.7846-1-alexander.levin@verizon.com>
From: Randy Dunlap <rdunlap@infradead.org>
[ Upstream commit 1f3c790bd5989fcfec9e53ad8fa09f5b740c958f ]
line-range is supposed to treat "1-" as "1-endoffile", so
handle the special case by setting last_lineno to UINT_MAX.
Fixes this error:
dynamic_debug:ddebug_parse_query: last-line:0 < 1st-line:1
dynamic_debug:ddebug_exec_query: query parse failed
Link: http://lkml.kernel.org/r/10a6a101-e2be-209f-1f41-54637824788e@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Jason Baron <jbaron@akamai.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
---
lib/dynamic_debug.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index dfba05521748..daec2e93a9ab 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -353,6 +353,10 @@ static int ddebug_parse_query(char *words[], int nwords,
if (parse_lineno(last, &query->last_lineno) < 0)
return -EINVAL;
+ /* special case for last lineno not specified */
+ if (query->last_lineno == 0)
+ query->last_lineno = UINT_MAX;
+
if (query->last_lineno < query->first_lineno) {
pr_err("last-line:%d < 1st-line:%d\n",
query->last_lineno,
--
2.11.0
next prev parent reply other threads:[~2017-12-02 15:59 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-02 15:53 [PATCH AUTOSEL for 3.18 01/15] route: also update fnhe_genid when updating a route cache alexander.levin
2017-12-02 15:53 ` [PATCH AUTOSEL for 3.18 02/15] route: update fnhe_expires for redirect when the fnhe exists alexander.levin
2017-12-02 15:53 ` [PATCH AUTOSEL for 3.18 05/15] NFS: Fix a typo in nfs_rename() alexander.levin
2017-12-02 15:53 ` [PATCH AUTOSEL for 3.18 03/15] lib/genalloc.c: make the avail variable an atomic_long_t alexander.levin
2017-12-02 15:53 ` alexander.levin [this message]
2017-12-02 15:53 ` [PATCH AUTOSEL for 3.18 06/15] sunrpc: Fix rpc_task_begin trace point alexander.levin
2017-12-02 15:53 ` [PATCH AUTOSEL for 3.18 07/15] sparc64/mm: set fields in deferred pages alexander.levin
2017-12-02 15:53 ` [PATCH AUTOSEL for 3.18 08/15] sctp: do not free asoc when it is already dead in sctp_sendmsg alexander.levin
2017-12-02 15:53 ` [PATCH AUTOSEL for 3.18 09/15] sctp: use the right sk after waking up from wait_buf sleep alexander.levin
2017-12-02 15:53 ` [PATCH AUTOSEL for 3.18 10/15] atm: horizon: Fix irq release error alexander.levin
2017-12-02 15:53 ` [PATCH AUTOSEL for 3.18 12/15] IB/mlx4: Increase maximal message size under UD QP alexander.levin
2017-12-02 15:53 ` [PATCH AUTOSEL for 3.18 11/15] xfrm: Copy policy family in clone_policy alexander.levin
2017-12-02 15:53 ` [PATCH AUTOSEL for 3.18 15/15] audit: ensure that 'audit=1' actually enables audit for PID 1 alexander.levin
2017-12-02 15:53 ` [PATCH AUTOSEL for 3.18 13/15] IB/mlx5: Assign send CQ and recv CQ of UMR QP alexander.levin
2017-12-02 15:53 ` [PATCH AUTOSEL for 3.18 14/15] afs: Connect up the CB.ProbeUuid alexander.levin
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