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mdev: tiny shrinkage by index_in_strings

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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Bernhard Reutner-Fischer 2009-10-26 23:27:04 +01:00 committed by Denys Vlasenko
parent b35e3a8612
commit 6531f0923b
1 changed files with 6 additions and 3 deletions
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9
util-linux/mdev.c
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@ -526,6 +526,9 @@ int mdev_main(int argc UNUSED_PARAM, char **argv)
char *seq; char *seq;
char *action; char *action;
char *env_path; char *env_path;
static const char keywords[] ALIGN1 = "remove\0add\0";
enum { OP_remove = 0, OP_add };
smalluint op;
/* Hotplug: /* Hotplug:
* env ACTION=... DEVPATH=... SUBSYSTEM=... [SEQNUM=...] mdev * env ACTION=... DEVPATH=... SUBSYSTEM=... [SEQNUM=...] mdev
@ -538,7 +541,7 @@ int mdev_main(int argc UNUSED_PARAM, char **argv)
if (!action || !env_path /*|| !subsystem*/) if (!action || !env_path /*|| !subsystem*/)
bb_show_usage(); bb_show_usage();
fw = getenv("FIRMWARE"); fw = getenv("FIRMWARE");
op = index_in_strings(keywords, action);
/* If it exists, does /dev/mdev.seq match $SEQNUM? /* If it exists, does /dev/mdev.seq match $SEQNUM?
* If it does not match, earlier mdev is running * If it does not match, earlier mdev is running
* in parallel, and we need to wait */ * in parallel, and we need to wait */
@ -565,14 +568,14 @@ int mdev_main(int argc UNUSED_PARAM, char **argv)
} }
snprintf(temp, PATH_MAX, "/sys%s", env_path); snprintf(temp, PATH_MAX, "/sys%s", env_path);
if (strcmp(action, "remove") == 0) { if (op == OP_remove) {
/* Ignoring "remove firmware". It was reported /* Ignoring "remove firmware". It was reported
* to happen and to cause erroneous deletion * to happen and to cause erroneous deletion
* of device nodes. */ * of device nodes. */
if (!fw) if (!fw)
make_device(temp, 1); make_device(temp, 1);
} }
else if (strcmp(action, "add") == 0) { else if (op == OP_add) {
make_device(temp, 0); make_device(temp, 0);
if (ENABLE_FEATURE_MDEV_LOAD_FIRMWARE) { if (ENABLE_FEATURE_MDEV_LOAD_FIRMWARE) {
if (fw) if (fw)