aboutsummaryrefslogtreecommitdiffstats
path: root/tools/perf/util/debugfs.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2010-02-28 22:23:06 -0500
committerDavid S. Miller <davem@davemloft.net>2010-02-28 22:23:06 -0500
commit47871889c601d8199c51a4086f77eebd77c29b0b (patch)
tree40cdcac3bff0ee40cc33dcca61d0577cdf965f77 /tools/perf/util/debugfs.c
parentc16cc0b464b8876cfd57ce1c1dbcb6f9a6a0bce3 (diff)
parent30ff056c42c665b9ea535d8515890857ae382540 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: drivers/firmware/iscsi_ibft.c
Diffstat (limited to 'tools/perf/util/debugfs.c')
-rw-r--r--tools/perf/util/debugfs.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/tools/perf/util/debugfs.c b/tools/perf/util/debugfs.c
index 06b73ee02c49..a88fefc0cc0a 100644
--- a/tools/perf/util/debugfs.c
+++ b/tools/perf/util/debugfs.c
@@ -106,16 +106,14 @@ int debugfs_valid_entry(const char *path)
106 return 0; 106 return 0;
107} 107}
108 108
109/* mount the debugfs somewhere */ 109/* mount the debugfs somewhere if it's not mounted */
110 110
111int debugfs_mount(const char *mountpoint) 111char *debugfs_mount(const char *mountpoint)
112{ 112{
113 char mountcmd[128];
114
115 /* see if it's already mounted */ 113 /* see if it's already mounted */
116 if (debugfs_find_mountpoint()) { 114 if (debugfs_find_mountpoint()) {
117 debugfs_premounted = 1; 115 debugfs_premounted = 1;
118 return 0; 116 return debugfs_mountpoint;
119 } 117 }
120 118
121 /* if not mounted and no argument */ 119 /* if not mounted and no argument */
@@ -127,13 +125,14 @@ int debugfs_mount(const char *mountpoint)
127 mountpoint = "/sys/kernel/debug"; 125 mountpoint = "/sys/kernel/debug";
128 } 126 }
129 127
128 if (mount(NULL, mountpoint, "debugfs", 0, NULL) < 0)
129 return NULL;
130
130 /* save the mountpoint */ 131 /* save the mountpoint */
131 strncpy(debugfs_mountpoint, mountpoint, sizeof(debugfs_mountpoint)); 132 strncpy(debugfs_mountpoint, mountpoint, sizeof(debugfs_mountpoint));
133 debugfs_found = 1;
132 134
133 /* mount it */ 135 return debugfs_mountpoint;
134 snprintf(mountcmd, sizeof(mountcmd),
135 "/bin/mount -t debugfs debugfs %s", mountpoint);
136 return system(mountcmd);
137} 136}
138 137
139/* umount the debugfs */ 138/* umount the debugfs */