From: Arthur Jones Date: Fri, 25 Jul 2008 08:49:12 +0000 (-0700) Subject: edac: core fix added newline to sysfs dimm labels X-Git-Tag: v2.6.27-rc1~229 X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=124682c78563e10ba8b2ecd21b0f1098903b7808;p=linux-2.6-omap-h63xx.git edac: core fix added newline to sysfs dimm labels The channel DIMM label does not seem to be used much in the edac code. However, where it is used (in the core code), it is assumed to not have a newline embedded. This leaves the sysfs file newline free which looks funny when cat'ing it. Here we just add the trailing newline to the sysfs chX_dimm_label output... [Doug Thompson note: the DIMM label is one of the primary uses of EDAC. User space daemon scripts, edac-utils@sourceforge, populate the DIMM label fields, via /sys/devices/system/edac attributes, with the silk screen labels of the motherboard in use. dmidecode access BIOS tables, but BIOS tables are well known to be incorrect and useless in these respects. edac-utils will strip off any newlines before its use of the output, when displaying DIMM slot silk screen labels. Signed-off-by: Arthur Jones Signed-off-by: Doug Thompson Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 479492819db..ad218fe4942 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -178,7 +178,11 @@ static ssize_t csrow_edac_mode_show(struct csrow_info *csrow, char *data, static ssize_t channel_dimm_label_show(struct csrow_info *csrow, char *data, int channel) { - return snprintf(data, EDAC_MC_LABEL_LEN, "%s", + /* if field has not been initialized, there is nothing to send */ + if (!csrow->channels[channel].label[0]) + return 0; + + return snprintf(data, EDAC_MC_LABEL_LEN, "%s\n", csrow->channels[channel].label); }