From: Markus Armbruster Date: Mon, 26 Jun 2006 07:24:34 +0000 (-0700) Subject: [PATCH] oprofile: Fix unnecessary cleverness X-Git-Tag: v2.6.18-rc1~825 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c6856f702732d3cfc33eb59303e998ad6961de8;p=linux-2.6 [PATCH] oprofile: Fix unnecessary cleverness nmi_create_files() in arch/i386/oprofile/nmi_int.c depends on model->num_counters (number of performance counters) being less than 10. While this is currently the case, it's too clever by half. Other archs aren't quite as clever: they assume 100. I suggest to normalize them all to 1000. Cc: Philippe Elie Cc: John Levon Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/arch/alpha/oprofile/common.c b/arch/alpha/oprofile/common.c index ba788cfdc3..9fc0eeb4f0 100644 --- a/arch/alpha/oprofile/common.c +++ b/arch/alpha/oprofile/common.c @@ -112,7 +112,7 @@ op_axp_create_files(struct super_block * sb, struct dentry * root) for (i = 0; i < model->num_counters; ++i) { struct dentry *dir; - char buf[3]; + char buf[4]; snprintf(buf, sizeof buf, "%d", i); dir = oprofilefs_mkdir(sb, root, buf); diff --git a/arch/i386/oprofile/nmi_int.c b/arch/i386/oprofile/nmi_int.c index ec0fd3cfa7..fa8a37bcb3 100644 --- a/arch/i386/oprofile/nmi_int.c +++ b/arch/i386/oprofile/nmi_int.c @@ -281,9 +281,9 @@ static int nmi_create_files(struct super_block * sb, struct dentry * root) for (i = 0; i < model->num_counters; ++i) { struct dentry * dir; - char buf[2]; + char buf[4]; - snprintf(buf, 2, "%d", i); + snprintf(buf, sizeof(buf), "%d", i); dir = oprofilefs_mkdir(sb, root, buf); oprofilefs_create_ulong(sb, dir, "enabled", &counter_config[i].enabled); oprofilefs_create_ulong(sb, dir, "event", &counter_config[i].event); diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c index c31e4cff64..65eb55400d 100644 --- a/arch/mips/oprofile/common.c +++ b/arch/mips/oprofile/common.c @@ -38,7 +38,7 @@ static int op_mips_create_files(struct super_block * sb, struct dentry * root) for (i = 0; i < model->num_counters; ++i) { struct dentry *dir; - char buf[3]; + char buf[4]; snprintf(buf, sizeof buf, "%d", i); dir = oprofilefs_mkdir(sb, root, buf); diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c index 27ad56bd22..fd0bbbe7a4 100644 --- a/arch/powerpc/oprofile/common.c +++ b/arch/powerpc/oprofile/common.c @@ -94,7 +94,7 @@ static int op_powerpc_create_files(struct super_block *sb, struct dentry *root) for (i = 0; i < model->num_counters; ++i) { struct dentry *dir; - char buf[3]; + char buf[4]; snprintf(buf, sizeof buf, "%d", i); dir = oprofilefs_mkdir(sb, root, buf); diff --git a/arch/sh/oprofile/op_model_sh7750.c b/arch/sh/oprofile/op_model_sh7750.c index 5ec9ddcc4b..c265185b22 100644 --- a/arch/sh/oprofile/op_model_sh7750.c +++ b/arch/sh/oprofile/op_model_sh7750.c @@ -198,7 +198,7 @@ static int sh7750_perf_counter_create_files(struct super_block *sb, struct dentr for (i = 0; i < NR_CNTRS; i++) { struct dentry *dir; - char buf[3]; + char buf[4]; snprintf(buf, sizeof(buf), "%d", i); dir = oprofilefs_mkdir(sb, root, buf);