#include #include #include "privs.h" #include "die.h" void drop_privileges(bool enforce, uid_t uid, gid_t gid) { if (enforce) { if (uid == getuid()) panic("Uid cannot be the same as the current user!\n"); if (gid == getgid()) panic("Gid cannot be the same as the current user!\n"); } if (setgid(gid) != 0) panic("Unable to drop group privileges: %s!\n", strerror(errno)); if (setuid(uid) != 0) panic("Unable to drop user privileges: %s!\n", strerror(errno)); } git' href='http:///git.distanz.ch/cgit.cgi/linux/net-next.git' title='net-next.git Git repository'/>
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authorRafał Miłecki <zajec5@gmail.com>2016-04-18 14:39:30 +0200
committerMark Brown <broonie@kernel.org>2016-04-18 13:53:46 +0100
commita7b221d8f0d75511c5f959584712a5dd35f88a86 (patch)
tree1e353f731993c00e9bdd1af8ab1d65a5faf970cf
parentf55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff)
spi: bcm53xx: add spi_flash_read callback for MMIO-based reads
This implements more efficient reads of SPI-attached flash content. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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