Accepting request 408401 from home:zlliu:branches:Base:System

Fix bug bsc#986779,Recognize bool values in sysfs

OBS-URL: https://build.opensuse.org/request/show/408401
OBS-URL: https://build.opensuse.org/package/show/Base:System/ledmon?expand=0&rev=14
This commit is contained in:
Dirk Mueller 2016-07-14 17:47:47 +00:00 committed by Git OBS Bridge
parent 7a06ec90c1
commit 1bfaca2273
3 changed files with 97 additions and 0 deletions

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@ -0,0 +1,87 @@
commit 6f7d38bbe5d7b13c84987cf3b3b550a11c39392e
Author: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Date: Tue Jul 29 13:49:05 2014 +0200
Recognize bool values in sysfs
The type of libahci parameter ahci_em_messages was changed from int to
bool in kernel v3.13, which caused AHCI HBAs to not be detected
properly.
Reported-and-tested-by: Paul Boven <boven@jive.nl>
Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
diff --git a/src/cntrl.c b/src/cntrl.c
index 2e6509b..e5170a2 100644
--- a/src/cntrl.c
+++ b/src/cntrl.c
@@ -216,8 +216,11 @@ static unsigned int _ahci_em_messages(const char *path)
if (get_int(path, 0, "driver/module/parameters/ahci_em_messages") != 0)
return 1;
- if (!get_int("", 0, "sys/module/libahci/parameters/ahci_em_messages"))
- return 0;
+ /* parameter type changed from int to bool since kernel v3.13 */
+ if (!get_int("", 0, "sys/module/libahci/parameters/ahci_em_messages")) {
+ if (!get_bool("", 0, "sys/module/libahci/parameters/ahci_em_messages"))
+ return 0;
+ }
if (snprintf(buf, sizeof(buf), "%s/%s", path, "driver") < 0)
return 0;
diff --git a/src/utils.c b/src/utils.c
index 36e4147..fca00a8 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -86,6 +86,23 @@ char *get_text(const char *path, const char *name)
}
/*
+ * Function returns integer value (1 or 0) based on a boolean value ('Y' or 'N')
+ * read from a text file. See utils.h for details.
+ */
+int get_bool(const char *path, int defval, const char *name)
+{
+ char *p = get_text(path, name);
+ if (p) {
+ if (*p == 'Y')
+ defval = 1;
+ else if (*p == 'N')
+ defval = 0;
+ free(p);
+ }
+ return defval;
+}
+
+/*
* Function returns 64-bit unsigned integer value read from a text file. See
* utils.h for details.
*/
diff --git a/src/utils.h b/src/utils.h
index c982113..5a0a76c 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -111,6 +111,23 @@ uint64_t get_uint64(const char *path, uint64_t defval, const char *name);
char *get_text(const char *path, const char *name);
/**
+ * @brief Reads boolean value from a text file.
+ *
+ * This function assumes that the only text in a file is the requested value to
+ * read. The recognized boolean values are in the format 'Y' for True and 'N'
+ * for False. In case of an error while reading from file the function will
+ * return a value stored in defval argument.
+ *
+ * @param[in] path Path where a file is located.
+ * @param[in] defval Default value to be returned in case of error.
+ * @param[in] name Name of a file to be read.
+ *
+ * @return Value read from a file if successful, otherwise a value stored in
+ * defval argument. 1 is returned for True, 0 for False.
+ */
+int get_bool(const char *path, int defval, const char *name);
+
+/**
* @brief Writes a text to file.
*
* This function writes a text to a file and return the number of bytes written.

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@ -1,3 +1,11 @@
-------------------------------------------------------------------
Thu Jul 14 03:39:05 UTC 2016 - zlliu@suse.com
- Fix bug bsc#986779, 0001-Recognize_bool_values_in_sysfs.patch.
The type of libahci parameter ahci_em_messages was changed from
int to bool in kernel v3.13, which caused AHCI HBAs to not be
detected properly.
------------------------------------------------------------------- -------------------------------------------------------------------
Tue Jun 7 15:54:17 UTC 2016 - normand@linux.vnet.ibm.com Tue Jun 7 15:54:17 UTC 2016 - normand@linux.vnet.ibm.com

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@ -25,6 +25,7 @@ Group: Hardware/Other
Url: http://sourceforge.net/projects/ledmon/ Url: http://sourceforge.net/projects/ledmon/
Source0: http://sourceforge.net/projects/ledmon/files/ledmon-%{version}/%{name}-%{version}.tar.gz Source0: http://sourceforge.net/projects/ledmon/files/ledmon-%{version}/%{name}-%{version}.tar.gz
Patch0: Makefile-error-dependency.patch Patch0: Makefile-error-dependency.patch
Patch1: 0001-Recognize_bool_values_in_sysfs.patch
BuildRequires: libsgutils-devel BuildRequires: libsgutils-devel
Provides: sgpio:/sbin/ledmon Provides: sgpio:/sbin/ledmon
Provides: sgpio:/{%{_bindir}}/ledctl Provides: sgpio:/{%{_bindir}}/ledctl
@ -38,6 +39,7 @@ solutions.
%prep %prep
%setup -q %setup -q
%patch0 -p1 %patch0 -p1
%patch1 -p1
%build %build
make %{?_smp_mflags} CFLAGS="%{optflags}" make %{?_smp_mflags} CFLAGS="%{optflags}"