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From 4a6f92a10680e7e36807f5e2ae8e497e8d73a048 Mon Sep 17 00:00:00 2001
From: James Minor <james.minor@ni.com>
Date: Fri, 20 Jan 2017 17:15:50 -0600
Subject: [PATCH] libkmod: Fix handling of quotes in kernel command line
If a module parameter on the command line contains quotes, any
spaces inside those quotes should be included as part of the
parameter.
Signed-off-by: James Minor <james.minor@ni.com>
Upstream-Status: Accepted
---
libkmod/libkmod-config.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/libkmod/libkmod-config.c b/libkmod/libkmod-config.c
index 57fbe37..ea40d19 100644
--- a/libkmod/libkmod-config.c
+++ b/libkmod/libkmod-config.c
@@ -497,6 +497,7 @@ static int kmod_config_parse_kcmdline(struct kmod_config *config)
char buf[KCMD_LINE_SIZE];
int fd, err;
char *p, *modname, *param = NULL, *value = NULL, is_module = 1;
+ bool is_quoted = false;
fd = open("/proc/cmdline", O_RDONLY|O_CLOEXEC);
if (fd < 0) {
@@ -514,6 +515,12 @@ static int kmod_config_parse_kcmdline(struct kmod_config *config)
}
for (p = buf, modname = buf; *p != '\0' && *p != '\n'; p++) {
+ if (*p == '"') {
+ is_quoted = !is_quoted;
+ continue;
+ }
+ if (is_quoted)
+ continue;
switch (*p) {
case ' ':
*p = '\0';
--
1.9.1
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