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video: fbdev: replace strnicmp with strncasecmp

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The kernel used to contain two functions for length-delimited,
case-insensitive string comparison, strnicmp with correct semantics and
a slightly buggy strncasecmp.  The latter is the POSIX name, so strnicmp
was renamed to strncasecmp, and strnicmp made into a wrapper for the new
strncasecmp to avoid breaking existing users.

To allow the compat wrapper strnicmp to be removed at some point in the
future, and to avoid the extra indirection cost, do
s/strnicmp/strncasecmp/g.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rasmus Villemoes 2014-10-13 15:54:33 -07:00 committed by Linus Torvalds
parent 18082746a2
commit c4dd08694b
4 changed files with 40 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/video/fbdev/pvr2fb.c
View File

@ -1001,7 +1001,7 @@ static int pvr2_get_param(const struct pvr2_params *p, const char *s, int val,
for (i = 0 ; i < size ; i++ ) {
if (s != NULL) {
if (!strnicmp(p[i].name, s, strlen(s)))
if (!strncasecmp(p[i].name, s, strlen(s)))
return p[i].val;
} else {
if (p[i].val == val)

8
drivers/video/fbdev/s3c2410fb.c
View File

@ -601,12 +601,12 @@ static int s3c2410fb_debug_store(struct device *dev,
if (len < 1)
return -EINVAL;
if (strnicmp(buf, "on", 2) == 0 ||
strnicmp(buf, "1", 1) == 0) {
if (strncasecmp(buf, "on", 2) == 0 ||
strncasecmp(buf, "1", 1) == 0) {
debug = 1;
dev_dbg(dev, "s3c2410fb: Debug On");
} else if (strnicmp(buf, "off", 3) == 0 ||
strnicmp(buf, "0", 1) == 0) {
} else if (strncasecmp(buf, "off", 3) == 0 ||
strncasecmp(buf, "0", 1) == 0) {
debug = 0;
dev_dbg(dev, "s3c2410fb: Debug Off");
} else {

66
drivers/video/fbdev/sis/sis_main.c
View File

@ -162,7 +162,7 @@ static void sisfb_search_mode(char *name, bool quiet)
return;
}
if(!strnicmp(name, sisbios_mode[MODE_INDEX_NONE].name, strlen(name))) {
if(!strncasecmp(name, sisbios_mode[MODE_INDEX_NONE].name, strlen(name))) {
if(!quiet)
printk(KERN_ERR "sisfb: Mode 'none' not supported anymore. Using default.\n");
@ -201,7 +201,7 @@ static void sisfb_search_mode(char *name, bool quiet)
i = 0; j = 0;
while(sisbios_mode[i].mode_no[0] != 0) {
if(!strnicmp(nameptr, sisbios_mode[i++].name, strlen(nameptr))) {
if(!strncasecmp(nameptr, sisbios_mode[i++].name, strlen(nameptr))) {
if(sisfb_fstn) {
if(sisbios_mode[i-1].mode_no[1] == 0x50 ||
sisbios_mode[i-1].mode_no[1] == 0x56 ||
@ -262,7 +262,7 @@ sisfb_search_crt2type(const char *name)
if(name == NULL) return;
while(sis_crt2type[i].type_no != -1) {
if(!strnicmp(name, sis_crt2type[i].name, strlen(sis_crt2type[i].name))) {
if(!strncasecmp(name, sis_crt2type[i].name, strlen(sis_crt2type[i].name))) {
sisfb_crt2type = sis_crt2type[i].type_no;
sisfb_tvplug = sis_crt2type[i].tvplug_no;
sisfb_crt2flags = sis_crt2type[i].flags;
@ -289,7 +289,7 @@ sisfb_search_tvstd(const char *name)
return;
while(sis_tvtype[i].type_no != -1) {
if(!strnicmp(name, sis_tvtype[i].name, strlen(sis_tvtype[i].name))) {
if(!strncasecmp(name, sis_tvtype[i].name, strlen(sis_tvtype[i].name))) {
sisfb_tvstd = sis_tvtype[i].type_no;
break;
}
@ -308,12 +308,12 @@ sisfb_search_specialtiming(const char *name)
if(name == NULL)
return;
if(!strnicmp(name, "none", 4)) {
if(!strncasecmp(name, "none", 4)) {
sisfb_specialtiming = CUT_FORCENONE;
printk(KERN_DEBUG "sisfb: Special timing disabled\n");
} else {
while(mycustomttable[i].chipID != 0) {
if(!strnicmp(name,mycustomttable[i].optionName,
if(!strncasecmp(name,mycustomttable[i].optionName,
strlen(mycustomttable[i].optionName))) {
sisfb_specialtiming = mycustomttable[i].SpecialID;
found = true;
@ -3952,68 +3952,68 @@ static int __init sisfb_setup(char *options)
if(!(*this_opt)) continue;
if(!strnicmp(this_opt, "off", 3)) {
if(!strncasecmp(this_opt, "off", 3)) {
sisfb_off = 1;
} else if(!strnicmp(this_opt, "forcecrt2type:", 14)) {
} else if(!strncasecmp(this_opt, "forcecrt2type:", 14)) {
/* Need to check crt2 type first for fstn/dstn */
sisfb_search_crt2type(this_opt + 14);
} else if(!strnicmp(this_opt, "tvmode:",7)) {
} else if(!strncasecmp(this_opt, "tvmode:",7)) {
sisfb_search_tvstd(this_opt + 7);
} else if(!strnicmp(this_opt, "tvstandard:",11)) {
} else if(!strncasecmp(this_opt, "tvstandard:",11)) {
sisfb_search_tvstd(this_opt + 11);
} else if(!strnicmp(this_opt, "mode:", 5)) {
} else if(!strncasecmp(this_opt, "mode:", 5)) {
sisfb_search_mode(this_opt + 5, false);
} else if(!strnicmp(this_opt, "vesa:", 5)) {
} else if(!strncasecmp(this_opt, "vesa:", 5)) {
sisfb_search_vesamode(simple_strtoul(this_opt + 5, NULL, 0), false);
} else if(!strnicmp(this_opt, "rate:", 5)) {
} else if(!strncasecmp(this_opt, "rate:", 5)) {
sisfb_parm_rate = simple_strtoul(this_opt + 5, NULL, 0);
} else if(!strnicmp(this_opt, "forcecrt1:", 10)) {
} else if(!strncasecmp(this_opt, "forcecrt1:", 10)) {
sisfb_forcecrt1 = (int)simple_strtoul(this_opt + 10, NULL, 0);
} else if(!strnicmp(this_opt, "mem:",4)) {
} else if(!strncasecmp(this_opt, "mem:",4)) {
sisfb_parm_mem = simple_strtoul(this_opt + 4, NULL, 0);
} else if(!strnicmp(this_opt, "pdc:", 4)) {
} else if(!strncasecmp(this_opt, "pdc:", 4)) {
sisfb_pdc = simple_strtoul(this_opt + 4, NULL, 0);
} else if(!strnicmp(this_opt, "pdc1:", 5)) {
} else if(!strncasecmp(this_opt, "pdc1:", 5)) {
sisfb_pdca = simple_strtoul(this_opt + 5, NULL, 0);
} else if(!strnicmp(this_opt, "noaccel", 7)) {
} else if(!strncasecmp(this_opt, "noaccel", 7)) {
sisfb_accel = 0;
} else if(!strnicmp(this_opt, "accel", 5)) {
} else if(!strncasecmp(this_opt, "accel", 5)) {
sisfb_accel = -1;
} else if(!strnicmp(this_opt, "noypan", 6)) {
} else if(!strncasecmp(this_opt, "noypan", 6)) {
sisfb_ypan = 0;
} else if(!strnicmp(this_opt, "ypan", 4)) {
} else if(!strncasecmp(this_opt, "ypan", 4)) {
sisfb_ypan = -1;
} else if(!strnicmp(this_opt, "nomax", 5)) {
} else if(!strncasecmp(this_opt, "nomax", 5)) {
sisfb_max = 0;
} else if(!strnicmp(this_opt, "max", 3)) {
} else if(!strncasecmp(this_opt, "max", 3)) {
sisfb_max = -1;
} else if(!strnicmp(this_opt, "userom:", 7)) {
} else if(!strncasecmp(this_opt, "userom:", 7)) {
sisfb_userom = (int)simple_strtoul(this_opt + 7, NULL, 0);
} else if(!strnicmp(this_opt, "useoem:", 7)) {
} else if(!strncasecmp(this_opt, "useoem:", 7)) {
sisfb_useoem = (int)simple_strtoul(this_opt + 7, NULL, 0);
} else if(!strnicmp(this_opt, "nocrt2rate", 10)) {
} else if(!strncasecmp(this_opt, "nocrt2rate", 10)) {
sisfb_nocrt2rate = 1;
} else if(!strnicmp(this_opt, "scalelcd:", 9)) {
} else if(!strncasecmp(this_opt, "scalelcd:", 9)) {
unsigned long temp = 2;
temp = simple_strtoul(this_opt + 9, NULL, 0);
if((temp == 0) || (temp == 1)) {
sisfb_scalelcd = temp ^ 1;
}
} else if(!strnicmp(this_opt, "tvxposoffset:", 13)) {
} else if(!strncasecmp(this_opt, "tvxposoffset:", 13)) {
int temp = 0;
temp = (int)simple_strtol(this_opt + 13, NULL, 0);
if((temp >= -32) && (temp <= 32)) {
sisfb_tvxposoffset = temp;
}
} else if(!strnicmp(this_opt, "tvyposoffset:", 13)) {
} else if(!strncasecmp(this_opt, "tvyposoffset:", 13)) {
int temp = 0;
temp = (int)simple_strtol(this_opt + 13, NULL, 0);
if((temp >= -32) && (temp <= 32)) {
sisfb_tvyposoffset = temp;
}
} else if(!strnicmp(this_opt, "specialtiming:", 14)) {
} else if(!strncasecmp(this_opt, "specialtiming:", 14)) {
sisfb_search_specialtiming(this_opt + 14);
} else if(!strnicmp(this_opt, "lvdshl:", 7)) {
} else if(!strncasecmp(this_opt, "lvdshl:", 7)) {
int temp = 4;
temp = simple_strtoul(this_opt + 7, NULL, 0);
if((temp >= 0) && (temp <= 3)) {
@ -4022,9 +4022,9 @@ static int __init sisfb_setup(char *options)
} else if(this_opt[0] >= '0' && this_opt[0] <= '9') {
sisfb_search_mode(this_opt, true);
#if !defined(__i386__) && !defined(__x86_64__)
} else if(!strnicmp(this_opt, "resetcard", 9)) {
} else if(!strncasecmp(this_opt, "resetcard", 9)) {
sisfb_resetcard = 1;
} else if(!strnicmp(this_opt, "videoram:", 9)) {
} else if(!strncasecmp(this_opt, "videoram:", 9)) {
sisfb_videoram = simple_strtoul(this_opt + 9, NULL, 0);
#endif
} else {

4
drivers/video/fbdev/sm501fb.c
View File

@ -1187,9 +1187,9 @@ static ssize_t sm501fb_crtsrc_store(struct device *dev,
if (len < 1)
return -EINVAL;
if (strnicmp(buf, "crt", 3) == 0)
if (strncasecmp(buf, "crt", 3) == 0)
head = HEAD_CRT;
else if (strnicmp(buf, "panel", 5) == 0)
else if (strncasecmp(buf, "panel", 5) == 0)
head = HEAD_PANEL;
else
return -EINVAL;